一I still cannot figure out why he missed his flight．一He an accident on the way to the airport．
#88060
A
could have had
B
should have had
C
would haye had
D
must have had
推荐题目
Which of the following sentences conveys a fact?
#86769
A
Maryandhersonmustbehomebynow.
B
Carelessreadingmustgivepoorresults.
C
It’sgettinglate,andImustleavenow.
D
Hemustbeworkinglateattheoffice.
In order to do something meaningful, it’s necessary that you _______ determine what is really important.
#86636
A
must
B
will
C
need
D
should
---- I can’t get through to the general manager’s office anyhow. ---- The line is busy. Someone ___________ the telephone.
#87229
A
can have used
B
can use
C
must have used
D
must be using
______ smoking, he would not have got cancer in the lung.
#89612
A
Was he given up
B
Had he given up
C
Did he give
D
If he gave up