1. We have got some trouble _____ the silk clothes.
A. wash B. washing C. washed D. do some washing
2. She often warns her son _____ in the river.
A. never to swim B. to never swim
C. never swimming D. never swim
3. The reason ______ we were late was that the train didn’t come on time.
A. that B. which C. when D. why
4. He answered my questions ______.
A. with confident B. confident C. confidence D. with confidence
5. The great man ______ in this house with his wife.
A. used to living B. used to live
C. was used to live D. was used living
