The crazy fans___________ patiently for two hours, and they will wait till the movie star arrives.
| A．are waiting | B．had waited |
| C．have been waiting | D．will wait |
Robert is said ______ abroad, but I don’t know which country he studied in.
| A．to have studied | B．to study | C．to be studying | D．to have been studying |
I can remember very few ______ when he had to cancel his plans because of poor health.
| A．situations | B．conditions | C．occasions | D．circumstances |
He hurried to the booking office only ______ that all the tickets had been sold out.
| A．to tell | B．to be told | C．telling | D．told |
They are just college graduates and don’t realize _____ to start and run a company.
| A．what takes it | B．what they take | C．what takes him | D．what it takes |
— Let’s have a game of tennis; the loser has to treat the other to an ice-cream.
— ________.
| A．I’m afraid so | B．It’s a deal | C．You’ve got a point | D．I suppose not |