Tom ____ be ill, for I saw him playing basketball an hour ago. 
#62553
A
mustn’t
B
needn’t
C
can’t
D
may not
推荐题目
--- Linda       late for school. --- But she arrives on time at present.
#77762
A
used to be
B
used to being
C
is used to
D
is used to being
 My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended
The young trees should ______well as often as possible.
#75249
A
be water
B
watered
C
watering
D
be watered