| — Where did you put your car keys? — Oh, I ______ I put them on the chair because the phone rang as I ______ in. |
A. remembered; come B. remembered; was coming C. remember; come D. remember; was coming |
| This washing machine is environmentally friendly because it uses ______ water and electricity than ______ models. |
A. less; older B. less; elder C. fewer; older D. fewer; elder |
| Wang Xiaobo was a quite special writer. His books are well worth ______. |
A. reading B. being reading C. seeing D. being seen |
| Around our village there are many trees which ______ rubber (橡胶). |
A. make B. are made C. produce D. build |
| The man jumped out of the car and took the ______ child to safety. |
A. afraid B. frightening C. terrible D. frightened |