Our teachers often ask us ____ over the answers carefully before handing in our papers.
| A．go | B．going | C．to go | D．gone |
It is reported that the police will soon ____ the case of two missing children.
| A．look upon | B．look after | C．look into | D．look out |
------- What is the price of petrol these days 
-------Oh, it ______ sharply since last month.
| A．is raised | B．has risen | C．has arisen | D．is increased |
At present, one of the apartments in favor of the new airport ________ that it will going a lot jobs to the area.
| A．is | B．are | C．will be | D．were |
It was _____ he came bank from Africa that wear _________ he met the girl he would like to marry.
| A．when; then | B．not; until | C．not until; that | D．only; when |
The house I grew up ________ has been taken down and replaced by an office building.
| A．in it | B．in | C．in that | D．in which |