20.We heard the little girl _______ (cry) in the room.

19. When _______(compare) with the size of the whole earth, the biggest ocean does not seem big at all.

18. We had better work harder to get the work ________(do) on time

17. You will find these meals quick and _________________ (convenience) to prepare.

16. In order to find ________ better job, he decided to study the second language.