30. —Why! I ____ get you on the phone.
— We ______ basketball on the playground when you phoned.
| A．didn’t; must have been playing | B．didn’t; must be playing |
| C．couldn’t; must have played | D．couldn’t; must be playing |
The discovery of new evidence led to _______.
| A．the thief being caught | B．catch the thief |
| C．the thief having caught | D．the thief to be caught |
His services to the company was______with a present.
| A．admitted | B．acknowledged | C．contributed | D．accepted |
The American Civil War lasted four years_______the North won in the end.
| A．after | B．before | C．when | D．then |
_______she was sick,I was expected to take her place greatly surprised me ,for I didn’t have much work experience.
| A．If | B．That | C．If that | D．That if |
Whenever he was asked why he was late for class,he would answer carelessly,always_______the same thing.
| A．saying | B．said | C．to say | D．having said |