Open the brackets using the verbs in present perfect: 1. france telecom just (to launch) its most expensive publicity campaign. 2. the united states, japan and many other nations (to work) to increase world trade. 3. over the past 75 years, stocks (to outperform) bonds and other debt securities by a huge margin. 4. the annual return on a broad portfolio of stocks (to average) 9 percentage points more than the return on risk-free u.s. treasury bills. 5. american voters rapeatedly (to signal) their wish to be governed from the moderate center. 6. investment in information technologies (to drive) the economic expention since the mid-1990s. 7. the center (to establish) itself as an important new international institution. 8. the secretary (not to bring) me the letters for signature, as she (not to type) them yet. 9. an unexpected rise in the cost of living as well as a decline in employment opportunities (to result) in the rapid creation by congress of new government programs for the unemployed. 10. shareholders already (to approve) plan to restructure $12.4 billion in bank debt.

1. France Telecom has just launched its most expensive publicity campaign. 2. The United States, Japan and many other nations have worked to increase world trade.
3. Over the past 75 years, stocks have outperformed bonds and other debt securities by a huge margin.
4. The annual return on a broad portfolio of stocks has averaged 9 percentage points more than the return on risk-free U.S. Treasury bills.
5. American voters have rapeatedly signaled their wish to be governed from the moderate center.
6. Investment in information technologies has driven the economic expention since the mid-1990s.
7. The Center has established itself as an important new international institution.
8. The secretary has not brought me the letters for signature, as she has not typed them yet.
9. An unexpected rise in the cost of living as well as a decline in employment opportunities has resulted in the rapid creation by Congress of new government programs for the unemployed.
10. Shareholders have already approved plan to restructure $12.4 billion in bank debt.

1. France Telecom just has launched its most expensive publicity campaign. 2. The United States, Japan and many other nations have worked to increase world trade. 3. Over the past 75 years, stocks have outperformed bonds and other debt securities by a huge margin. 4. The annual return on a broad portfolio of stocks has averaged 9 percentage points more than the return on risk-free U.S. Treasury bills. 5. American voters rapeatedly have signaled their wish to be governed from the moderate center. 6. Investment in information technologies has driven the economic expention since the mid-1990s. 7. The Center has established itself as an important new international institution. 8. The secretary hasn't brought me the letters for signature, as she (not to type) them yet. 9. An unexpected rise in the cost of living as well as a decline in employment opportunities has resulted in the rapid creation by Congress of new government programs for the unemployed. 10. Shareholders have already approved plan to restructure $12.4 billion in bank debt.