As we know that the rocket ____ sending satellites or spaceships into space.

题型：同步题难度：来源：

As we know that the rocket ____ sending satellites or spaceships into space.      [     ]
A. is used to
B. is used for
C. uses for

答案

举一反三

Students _____ eat, drink or smoke in the computer room.    [     ]
A. aren"t allowed
B. aren"t allowed to
C. didn"t allowed to

题型：同步题难度：| 查看答案

Grandma was ill.  That was why she   __     upstairs last night.           [     ]
A. was helped
B. was helping
C. helped

题型：同步题难度：| 查看答案

These books should   _      to the library on time.          [     ]
A. send
B. be returned
C. give back

题型：同步题难度：| 查看答案

Do you know the girl    __    Jean?              [     ]
A. called
B. calling
C. to call

题型：同步题难度：| 查看答案

Many ads           at teenagers, and some young people see more than 100 advertisements a day.             [     ]
A.  aimed specially
B.  aimed special terrible
C.  are aimed specially

题型：同步题难度：| 查看答案