相关习题
0 414 422 428 432 438 440 444 450 452 458 464 468 470 474 480 482 488 492 494 498 500 504 506 508 509 510 512 513 514 516 518 522 524 528 530 534 540 542 548 552 554 558 564 570 572 578 582 584 590 594 600 608 151629
科目：
来源：
题型：单选题
________ medical help was available and the patient soon came to life．
- A.
Hopefully
- B.
Fortunately
- C.
Unfortunately
- D.
Sadly
查看答案和解析>>
科目：
来源：
题型：单选题
The dinosaurs ________ evolving and been unable to adapt to changes in the climate．
- A.
might stop
- B.
needn’t have stopped
- C.
may have stopped
- D.
couldn’t stop
查看答案和解析>>
科目：
来源：
题型：单选题
Only by ________ science and technology can we make our country stronger．
- A.
rely on
- B.
live on
- C.
relying on
- D.
living on
查看答案和解析>>
科目：
来源：
题型：单选题
It is better to ask for help at the rather than to wait until everyone is ________ their feet.
- A.
rising to
- B.
standing up
- C.
holding up
- D.
rushed off
查看答案和解析>>
科目：
来源：
题型：单选题
The roof fell ________ he had time to dash into the house to save his baby.
- A.
as
- B.
after
- C.
until
- D.
before
查看答案和解析>>
科目：
来源：
题型：单选题
The windows are believed ________ by Jack.
- A.
broken
- B.
to be broken
- C.
to break
- D.
to have been broken
查看答案和解析>>
科目：
来源：
题型：单选题
I was so familiar with him that I recognised his voice ____I picked up the phone
- A.
while
- B.
the moment
- C.
after
- D.
in case
查看答案和解析>>
科目：
来源：
题型：单选题
He ________ the 6:30 train because he didn't leave until 6:35 .
- A.
couldn't
- B.
may not have caught
- C.
can't have caught
- D.
mustn't catch
查看答案和解析>>
科目：
来源：
题型：单选题
He was a good swimmer so he ________ swim to the river bank when the boat sank.
- A.
could
- B.
was able to
- C.
succeeded
- D.
might
查看答案和解析>>
科目：
来源：
题型：单选题
Since the road is wet this morning, ________ last night．
- A.
it must rain
- B.
it must be raining
- C.
it must have rained
- D.
it must have been rain
查看答案和解析>>
