_______ is known to us all that the old scientist, for _______ life was hard in the past, still works hard in his eighties.
| A．It; whom | B．As; whom | C．As; whose | D．What; whom |
________ for the fact that she broke her leg, she might have passed the exam.
| A．Hadn’t it been | B．Had it not been | C．Was it not | D．Were it not |
We need an effective strategy to help children living in poverty to have the opportunity to receivegood education．
| A．/;a | B．a;/ | C．/,the | D．the; a |
Planning so far ahead ________ no sense---so many things will have changed by next year.
| A．makes | B．made | C．making | D．make |
The famous deaf dancer think that dancing is an activity ________ sight matters more than hearing.
| A．when | B．whose | C．which | D．where |
---What do you think of your parents?
---They always let me do ________ I think I should do.
| A．when | B．that | C．how | D．what |