–Look! A man is cutting a tree on the moon.
--It ______ be true. The teacher said there is no air on the moon.
| A．can’t | B．may not | C．shouldn’t | D．mustn’t |
In old days，the poor _______ for the boss for over 18 hours a day．（ ）
A．was made to be worked
B．were made work
C．were made to work
A pair of shoes ________ to him as a present by his grandma last week.
A. were given
B. was given
C. gave
People ______ not always win every time. So don’t lost heart when you fail.
| A．may | B．must | C．shall | D．need |
If all business goes paperless，at least one million tons of paper a year．（ ）
A．are savingB．will be saved
C．were saved
— Look! The girl with long hair is making a snowman. Is she Sandy?
— It __________ be her. I’m not sure.
| A．mustn’t | B．must | C．can’t | D．may |
People in this area ________ to leave because there is not enough water for them.
A. told B. was told C. were told
The boy_______ play with his mother's iPad very well when he was only three.
| A．might | B．should |
| C．can | D．could |
I don’t think he can read the new words so well, __________?
A. can he B. can’t he C. do you
─Why did you pull the girl？
─You see，traffic was so busy that anything happen to her at that moment.
| A．could | B．should | C．may | D．must |
—Must I come before 7:00 tomorrow?
—No, you ________.
A. needn’t B. mustn’t C. couldn’t
The river smells terrible. People must_____ dirty things into it.
| A．be prevented to throw | B．prevent from throwing |
| C．prevent to throw | D．be prevented from throwing |
Artemisinin _______ by Tu Youyou，a great Chinese scientist．（ ）
A．was inventedB．invented
C．has invented
-----Where are you going for your winter vocation?
----- We _______ go to Hainan, but we are not sure.
| A．must | B．may | C．need | D．should |
We_____ use mobile phones when the plane takes off
| A．may not | B．shouldn’t |
| C．needn’t | D．mustn’t |
粤公网安备 44130202000953号
