The police _________ the mountain to ________ the murderer.
| A．is searching; search for |
| B．are searching for; search |
| C．is searching for; search |
| D．are searching; search for |
Heilongjiang Province is _____ north of Liaoning. Harbin, its capital city, lies _____ the Songhuajiang River.
| A．to; on | B．in the; in | C．不填; on | D．to the; in |
I don't remember___________ to the airport that year.
| A．to be taken | B．being taken | C．having | D．to take |
A man does not know the difficulty of anything_________ he does it personally.
| A．although | B．if | C．because | D．Unless |
There is a _________ of 1000 dollars for the return
| A．reward | B．prize | C．thank | D．Phrase |
Isn't it very kind __________ your parents to do that for us?
A. for B to C. aboutD. of