It shocked Lucy’s parents ________ she were not given timely treatment, she would suffer from a cough for the rest of her life.
| A．that | B．if | C．that if | D．if that |
-----She looks very happy. She have passed the exam.
------I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
----Did Peter fix the computer himself?
-----He , because he does know much about computers.
| A．has it fixed | B．had fixed it | C．had it fixed |
D．fixed it |
.your rotten idea, we went the long way .
| A．Thanks to | B．Due to | C．Owing to | D．Because |
year after year , tigers are becoming fewer and fewer .
| A．Having been killed | B．Killing | C．Killed | D．Having killed |
It was the training _____ he had as a young man _____ made him such a good engineer.
| A．what; what | B．which; that | C．that; which | D．that; what |