大雪封路，我们不得不在机场多住一晚。
We were forced to stay an extra night at the airport because of the heavy snow.
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were英 /wɜː/|美 /wər/
forced英 /fɔːst/|美 /fɔrst/
to英 /tuː/|美 /tu/|英 /tə/|美 /tə/
解释
「were forced to stay」表示由外部不可控因素（极端天气）造成的被动选择，be 用复数形式 were。
We were forced to stay an extra night at the airport because of the heavy snow.
「were forced to stay」表示由外部不可控因素（极端天气）造成的被动选择，be 用复数形式 were。