It is usually not quite cold in this area in March, but sometimes temperature __________be very low.
#89317
A
should
B
can
C
must
D
shall
推荐题目
 Their answers are exactly the same — one of them ______ from the other.
#88171
A
must copy
B
must have copied
C
should copy
D
should have copied
 Since the road is wet this morning, _____ last night.
#90138
A
it must rain
B
it must be raining
C
it must have rained
D
it must have been rain