—Really ? Who will give ____lecture ? What is it about ?
—Professor Chen , ____president of Beijing University . About pollution .
A.the ;a | B.the;/ | C.a ; the | D.a ;/ |
____ he came back home that we knew what had happened .
A.When it was | B.It was when | C.Was it when | D.When was it |
It was the training _____ he had as a young man _____ made him such a good engineer.
A.what ; that | B.that ; what | C.that ; which | D.which : that |
It was _____ he said _____ disappointed me at that time.
A.what ; that | B.that ; that | C.what ; what | D.that ; what |
It was not until late in the evening _____ her husband arrived home .
A.which | B.when | C.that | D.how |
.—___________that he managed to get the information?
—Oh, a friend of his helped him.
A.Where was it | B.What was it | C.How was it | D.Why was it |