It"s raining hard. Peter"s mother him at home. [ ]A. w

题型：同步题难度：来源：

It"s raining hard.  Peter"s mother                him at home.       [     ]
A. worry about
B. worried about
C. worrying about
D. is worrying about

答案

举一反三

—Look! What"s the driver doing?
—He_____ the car by the road. [ ]
A. must repair
B. may repair
C. must be repairing
D. must repairing

题型：同步题难度：| 查看答案

This city is not what it used to be. It      _ rich these years.          [     ]
A. changed
B. was changed
C. is changing

题型：同步题难度：| 查看答案

—What are you doing?
—I ________ TV.[     ]
A. watch
B. watching
C. am watching
D. watches

题型：山东省期中题难度：| 查看答案

Some children are in the park, and they are ________.[     ]
A. having a good time
B. have a good time
C. having good time
D. have good time

题型：山东省期中题难度：| 查看答案

My mother               with her friend on the phone at the moment.[     ]
A. chat
B. chats
C. is chatting
D. are chatting

题型：湖南省期末题难度：| 查看答案