摘要： helicopter can take off and land straight up or down, and can also stay still in air. K^S*5U.C#O A. The; an B. A; the C. A; 不填 D. The; 不填
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helicopter can take off and land straight up or down, and can also stay
still in air.
|
A．The; an |
B．A; the |
C．A; 不填 |
D．The; 不填 |
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helicopter can take off and land straight up or down, and can also stay
still in air.
A. The; an B. A; the C. A; 不填 D. The; 不填
查看习题详情和答案>> helicopter can take off and land straight up or down, and can also stay
still in air.
| A．The; an | B．A; the | C．A; 不填 | D．The; 不填 |