她本应昨天到达，但航班取消了。
She was supposed to arrive yesterday, but her flight was cancelled.
▼点击显示答案
was英 /wɒz/|美 /wɑz/
supposed英 /səˈpəʊzd/|美 /səˈpoʊzd/
to英 /tuː/|美 /tu/|英 /tə/|美 /tə/
解释
was supposed to + 动词原形，表示过去的原定安排未实现。was 是单数过去式 be，后接 supposed to 不定式，but 从句解释变更原因。
She was supposed to arrive yesterday, but her flight was cancelled.
was supposed to + 动词原形，表示过去的原定安排未实现。was 是单数过去式 be，后接 supposed to 不定式，but 从句解释变更原因。