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Match verbs 1)–5) with their collocations a–e.
1) board (1)
2) book (2)
3) check-in (3)
4) fasten (4)
5) go through (5) __1__(完形填空)
.a flight on the Internet
.the plane
.passport control
.your luggage
.your seat belt

参考答案


完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块