It is reported that the number of graduate students who___ mental problems ___on the rise

On the right on TV____, the China’s first femaleastronaut who had been sent up into space on June 29,2012.

The club members said it was one of the best compositions they____.

I called you yesterday evening, but therewas no answer.–Oh, I’m sorry I __________in the shoppingmall.

Mike checked the list again and again to see if he had left anything ________.