-----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
— What about having a drink?
— _____.
A. Good idea B. Help yourself C. Go ahead, please D. Me, too