--Mom, may I play computer games just for a while?
--______! Dad is writing his paper.
| A．Help yourself |
| B．It's up to you |
| C．Go ahead |
| D．Behave yourself |
________ it rain tomorrow，we would have to cancel the football match.
| A．Were | B．Would | C．Will | D．Should |
The cost of renting a house in Beijing is higher than___in any other city of China.
| A．one | B．it | C．that | D．this |
—Mr．Anderson is popular with his students, for he is kind, strict and knowledgeable．
—No wonder he has such a good ___．
| A．expectation | B．contribution | C．reputation | D．regulation |
Wang Hao and Chu Yafei led China to ________ gold and silver finish in ________ 20kilometer walk，the first athletic event at the Asian Games.
| A．a；the | B．the；a | C．不填；a | D．不填；the |
I can not understand why Libya will become so complicated ________ I understand more from the medium.
| A．after | B．before | C．while | D．when |