It was not until midnight _______ they reached the camp site.
| A．that | B．when | C．while | D．as |
The bad weather meant the rocket launch for 48 hours.
| A．delaying | B．to delay |
| C．having delayed | D．to have delayed |
He requires that hean opportunity to explain his case.
| A．is given | B．should give | C．give | D．be given |
Mary is in bed with a fever and she can’t hope to the cold in a few days.
| A．get rid of | B．get away with |
| C．get off | D．get out |
She made a few mistakes playing the violin,but you should make for her since she’s only been playing for a year.
| A．allowances | B．promises | C．room | D．way |
If it for your help,we would be in serious trouble.
| A．isn’t | B．aren’t | C．hasn’t been | D．weren’t |