5.- I think he is a good lecturer.
- _________

29.This box can hold more books than that one.

28.He has taught English in this university ever since he moved to this city.

27.I expect she will have changed her mind by tomorrow.

26.You'll find in English some words can be remembered more easily than the others.

25.

24.

23.

22.

21.

20.I fell and hurt myself while I ________ basketball yesterday.