Question

一。I could hear the young men_____in their room A.sang B.sung C.sing D.to sing.

二。It's almost lunch time.She is still sleeping.She always______.A.sleeps late B.stay up late C.goes to bed late D.wake late

Answer 1

1. C。考查hear sb. do/doing sth.的用法。此处的动词不定式要省略to。
2. B。吃饭时间到了她还在睡觉，说明她经常熬夜。选项B的stay应该是stays，所以只能选C。