题目

（ ）1.We saw the worker __________ in the bed in the bedroom.
A.lie reading B.lies reading C.lyng to read D.lie to read
( )2.Most people want to stay at home when it ________.
A.is snowing B.snows C.was snowing D.snowed
( )3.The accident happened ______ a cold winter morning.
A.in B.to C.on D.at

提问时间：2020-12-15

答案