I didn’t hear you because I __________ the news on the radio.
| A．listen to | B． am listening to | C． listened to | D．was listening to |
Wait till I turn on my computer, _____ there is his telephone number.
| A．there | B．where | C．which | D．in that |
You have to pass a driving test_____ you can get a license
A before B until C when D since
What impresses me most is ______ he appears in front of others, he wears a sincere and charming smile．
A．which B．that C．where D that whenever
____ difficulties we meet, we can work them out.
| A．Whatever | B．However | C．Wherever | D．Whenever |
The meeting was expected to start at 9 o'clock but the manager didn't turn up ______ twenty minutes later.
| A．before | B．until | C．after | D．since |