The trees must _______ three times a week.[ ]A. water B. is watering C.

题型：同步题难度：来源：

The trees must _______ three times a week.[     ]
A. water
B. is watering
C. be watered
D. waters

答案

举一反三

—How clean and tidy your room is!
—Thank you. It____ every day. [ ]
A. is cleaned
B. was cleaned
C. was cleaning
D. is cleaning

题型：同步题难度：| 查看答案

That"s a nice sweater. Is it ____ of cotton?[ ]
A. make
B. making
C. made
D. makes

题型：同步题难度：| 查看答案

This kind of food ________ in the restaurants today. [     ]
A. served wide
B. can be served wider
C. is served wider
D. is widely served

题型：同步题难度：| 查看答案

How would you feel if you had a sister or brother who _______ from you.  [     ]
A. cloned
B. cloning
C. to clone
D. was cloned

题型：同步题难度：| 查看答案

Today, computers are really helpful. They ____ everywhere.[ ]
A. use
B. are used
C. used
D. were used

题型：北京中考真题难度：| 查看答案