. If it ______ for the fence, he ______ into the river. A. were not; fallen B. had not been; could have fallen C were not; could fall D. had not been; could fall
. I don’t ____rock’n roll ,it is much too noisy.
Hanoi declared that it ______by fast-spreading H1V1, which ____other countries nearby.
“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but technically complex..
----It is freezing cold. You can’t cross the river to the other bank. -----All right.I guess I can make ___.
Many of the classical music _____on the island. For instance , Mozart Requiem was still an interesting event to the younger inhabitants of the valley.