I’m used to ________ in the house which _______ to keep books and magazines.
We should prevent pollution ________ happily.
The line is engaged. I can’t _____ now.
It had rained for several days. The clothes had _____ near the fire to dry.
This kind of paper was as soft and light as silk but ______ expensive.
——Hello. May I speak to Mr. Wang, please? —— _______.