Open the brackets using the correct form of the verb in passive voice.
1. A great deal of research (to do) into possible causes of cancer.
2. Three hundred new houses (to build) by the end of next year.
3. The computers (to use) right now by the students.
4. Acupuncture (to discover) by the Chinese thousands of years ago.
5. An ice hockey game (to show) on TV when we returned home.

pva1992    3   07.04.2020 03:54    1