9.
____, he would have passed the exam.
A.
If he were to study
B. If he studied hard
C.
Had he studied hard
D. Should he study hard
10
---- David has made great progress recently.
----
____, and ____.
A.
So he has, so have you B. So he has, so you
have
C.
So has he, so have you
D. So has he, so you have