It is believed that the prosperity of tourism is sure to _________ thedevelopment of the economy in the poor countryside and createmore job chances for those bread winners.
| A．refer to | B．contribute to |
| C．stick to | D．object to |
Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.
| A．having | B．had | C．have | D．to have |
－So you gave Mary your dictionary？
－______．She said she'd return it to me when she could afford her own．
| A．Not exactly | B．My pleasure |
| C．No doubt | D．Good idea |
The government has taken measures to______the high prices of daily goods to keep the market stable．
| A．put down | B．tear down |
| C．hand down | D．bring down |
It ______ we had stayed together for a couple of weeks ______ I found we had a lot in common．
| A．was until；when | B．was not until；that |
| C．was not until；when | D．was until；that |
－Don't forget to return the book in two weeks．
－______．Don't worry about it．
| A．Yes，I will | B．No，I won't |
| C．Sorry，I don’t | D．I don't think so |