Only after he had spent several nights working on the math problem to wonde
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Only after he had spent several nights working on the math problem to wonder whether the problem was wrongly set. |
[ ] |
A. did he begin B. he began C. he did begin D. began he |
答案
A |
举一反三
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[ ] |
A. With; they can B. As; they can C. When; they can D. While; can they |
Not until you told me what had happened, ________. |
[ ] |
A. didn’t I know anything about it B. I knew nothing about it C. did I know anything about it D. had not I known anything about it |
Only when _______ in 1941, _______ to get back to his research again. |
[ ] |
A. was the war over; was he able B. the war was over; did he able C. was the over; he was able D. the war was over; was he able |
My mother suggested that not only ______ study hard myself but also _____help my sister. |
[ ] |
A. I should; I should B. should I; should I C. should I; I should D. I should; should I |
In no case ________ what you have done for us and at no time ______ your kindness. . |
[ ] |
A. I shall forget; I will forget B. shall I forget; shall I forget C. shall I forget; I shall forget D. forget I shall; forget I shall |
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