Don’t start reading a book _____ you find that it’s one you can read with ease and understanding.
| A．when | B．if | C．unless | D．Though |
He had little idea that it was getting so late, ___________ ?
| A．didn't he | B．wasn't it | C．did he | D．was it |
Some of the suspects(嫌疑犯) refused to answer and kept their mouths shut.
| A．questioning | B．being questioned |
| C．questioned | D．to be questioned |
This photo of mine was taken__________ stood the famous high tower.
| A．which | B．in which | C．where | D．there |
--Do you live____________ near Jim?
--No, he lives in another part of the town.
| A．somewhere | B．nowhere | C．anywhere | D．everywhere |
On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.
| A．practiced | B．behaved | C．proved | D．conducted |