–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air on the moon.
#74768
A
can’t
B
may not
C
shouldn’t
D
mustn’t
推荐题目
--- My son is _____ to be seen. Where has he gone? --- I think he _____ in the building.
#62906
A
nowhere; must be hiding
B
nowhere; must be hidden himself
C
anywhere; hides
D
everywhere; hides himself
——Catherine, I have cleaned the room for you.——Thanks, You it. I could manage it myself.
#63293
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done.
If you want to keep _______, You _______ do more exercise and eat less.
#77779
A
health; shall
B
healthy; shall
C
health; should
D
healthy; should