hed 2. Language Focus. May, might, could, must, can't Choose the correct words, a, b or C. 1. A heart transplant takes a long time. It be a very difficult operation. a, must b. might c. can't 2. The medicine work because it's new. We aren't sure. a. can't b. must c. might not 3. This new therapy be more effective than drugs. We're hopeful. a. could b. can't c. may not 4. That new drug be effective. I don't feel better. a. must b. could c. can't 5. Some patients enjoy zootherapy, but others will be sceptical. a. must c. may not b. may

timofeevele    1   18.10.2021 18:35    6