They started off at about 5 o’clock in the morning . They should       there by now .
#103835
A
arrive
B
have been arriving
C
have arrived
D
be arriving
推荐题目
Now then, children, it’s right time you ______.
#102530
A
wash and dress
B
are washed and dressed
C
will wash and dress
D
were washed and dressed
--- ______ Betty this morning? --- Not yet, but she is sure to be here before noon.
#104264
A
Have you seen
B
Will you see
C
Do you see
D
Did you see?