摘要：第一节:单项填空(共15小题.每小题1分.满分15分) 从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.21. several times, but unfortunately, the boy still couldn’t smooth away the problem on his own. A. Having explained the problem B. The problem having been explained C. The teacher had had the problem explained D. Although the problem had been explained
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第一节：单项填空(共15小题；每小题1分，满分15分)
Of all the subjects, I like ______ physics best because it gives us ______ useful knowledge of things in science. And I long to turn ______ scientist in the future.
A. the ; a ; a B. / ; an ; / C./ ; a ; / D. the ; / ; /
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第一节：单项填空(共15小题；每小题1分，满分15分)
Of all the subjects, I like ______ physics best because it gives us ______ useful knowledge of things in science. And I long to turn ______ scientist in the future.
| A．the ; a ; a | B．/ ; an ; / | C．/ ; a ; / | D．the ; / ; / |
第一节：单项填空（共15小题；每小题1分，满分15分）
The government has promised to the matter and will give the workers a satisfactory answer.
A. look into B. look through C. put into D. put away
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