Mr. Smith works with an auto company, but he _________ for this industrial exhibition, since he is on leave.[ ]

In our city, about ________ of people can get _________ yuan a month.

What do you think of the lecture of LiYang’s Crazy English— I think it’s _______ , but someonethinks it’s much too ________.

__ they were not rich, they tried their best to send their child to the best school.

33 Yan’an used to be a revolutionary _____for the Red Army