问题

_________ happened to be no one in the building when the fire broke out[ ]

A: It
B: There
C: This
D: That

正确答案是：

同类题型

Michael Jackson, a superstar, ________ at the age of 50 in Los Angeles.

We should keep in mind that the earth is our only home and only by saving the environment________ourselves

Do you have anything to say for yourselves ? -Yes. There is one point we must insist on. [ ]

The doctors the medicines to the people in the flood area. [ ]

That was the fourth time that Mr. Smith __________the Summer Palace.