If it is convenient ____you , I want to ask you to help me repair the roof of the kitchen. on Friday .A. to B. for C. with D at
You can use a large plastics bottle, _________ cut off, as a plot to grow flowers in.
_____ his homework in time, he had to stay up late into the night.
The news of the newly-elected president’s coming to China for a visit was ______ on the radio just now.
As the famous saying _______, two heads are better than one.