— Have you read the book Oliver Twist? — Who ____ it? [ ]A. writes B. wrote C. has written D. had wr

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• When I called you this morning, nobody answered the phone. Where ______?[ ]A. did you go B. have you
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• — I felt it very difficult to carry on the work all by myself. — I could have helped you, but you __
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• The cartoons made by the artists sell best, but several years ago no one could imagine how great a r
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• — Does your Dad quit smoking, Jenny?— Yes, but he ____ for almost ten years. [ ]A. smokedB. was smok
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