The _____ of news that a flood is coming is a staff working in the weather bureau.
| A．root | B．origin | C．source | D．resource |
7．You should try to_____new circumstances as quickly as you can
| A．fit | B．suit | C．adapt | D．adapt to |
6．The small factories___________from the fall of the prices.
| A．benefited | B．benefited | C．benefited to | D．benefited in |
5．——I'm sorry, but I didn’t mean__________out your secret.
——But you know, letting out one's secret means________one' s feelings.
| A．to let; to hurt | B．letting; hurting |
| C．to let; hurting | D．letting; to hurt |
4．My friend, David, was not used __________by air, so he felt unwell.
| A．to traveling | B．to travel | C．traveling | D．Travel |
3．I went there yesterday_________to see my uncle.
| A．special | B．especially | C．specially | D．Especial |