he world economy growing weaker, for many youngpeople, the dream of landing a good job is becoming harder and harder ________

Chinese students have weeks in the summertime than American students.

be surprised if you can get Calvin, who is verybusy, ______these tickets for you.

You have failed to do what you ________ to and I’m afraid the teacher will blame you

The computer still works well, we _____ buy a new one at the moment.