There are some boys _______ computer games there.21世纪教育网版权所有

Only when he returned____ that the war had ended and the army had come back.[ ]

I think it’s difficult for him _________ English well.

Bill is very active (活跃的). He often _________ after-school activities.

I am like a cat on hot bricks. There are so many problems that I don’t know____ to deal with them.— Calm down first. Let’s see what I can do for you.