His father often helps him _____ his lessons. [ ]

An earthquake _______at Dachaidan County in Qinghai province on the morning of April18.

The candidate was about to get in the car _ suddenly a man with a mask appeared and shot at him.

“Learning from Lei Feng Day” is only two weeks from now. We need to ________ a plan about it.

Many teachers believe that besides the textbooks, children also learn a lot ______ life. [ ]