题目内容
Salesmen often have to leave their families to do business alone.
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1. The timetable says that the plane _______ off at 8:30 every morning.
2. For the whole period of two months, there ______ no rain in this area. Now the crops are dead.
3. The man who spoke at the meeting yesterday _______ his brother.
4. Has he told you where he _________ his holiday next month?
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