题目内容
18. My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday?
| A.leaves; takes off | B.is leaving; takes off |
| C.is leaving; is taking off | D.leaves; is taking off |
B
略
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题目内容
| A.leaves; takes off | B.is leaving; takes off |
| C.is leaving; is taking off | D.leaves; is taking off |