Can I pay the bill by check?— Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.

Joe, our daughter’s birthday is on next Sunday.—I want___________ her a computer.

Would you be kind enough to help the boy _____ Chinese is really hard to learn?

It’s much easier to make friendsyouhave similar interests

The worker and poet _____ to the party the other day．