35．He couldn’t think of an answer．

He couldn’t _____________ an answer．

34．He filled the basket with eggs．

The basket __________________eggs．

33．There was nothing to prevent US doing so．

There was nothing to ______________doing so．

32．They are making a medical experiment．

　 　They are___________a medical experiment．

31．As a matter of fact，the economic policy didn’t work．

______________________，the economic policy didn’t work．

30．与某人联系

29．对……敏感

28．以……测量

27．由……组成

26．抛锚