It was the dream that he would make ______ good fortune on the international stages that made Lang Lang decide to go to the USA for ______ further study.
| A.a, a | B./, the | C.a, / | D.the, the | 
The players expected there ____ more free time before coming back to the country from abroad.
| A.is | B.being | C.have been | D.to be | 
Word has come ____ some excellent students will go on a study trip to Chicago next month.
| A.that | B.what | C.when | D.whether | 
____ computers are of great benefit to the development of science and technology.
| A.The fact is what | B.That the fact is | 
| C.What the fact is that | D.The fact is that | 
____ puzzled the mother most was ____the son would never agree with her.
| A.What; why | B.That; how | C.Which; when | D.What; where | 
— ____ in this street? — I think Mr. Black is the richest man.
| A.Whom do you think is the richest man | 
| B.Who do you think is the richest man | 
| C.Do you think who is the richest man | 
| D.Do you think whom is the richest man |