---What did the policeman ask the neighbors about?--- He asked ____ between 3:00 and 4:00 yesterday afternoon.
A lot of stone tables and chairs are ________ of the river and the number of them is growing ________.
—Are you getting on well with Tom? —Not very well, but we used to be friends. The more I know him, ________ I like him.
—Are you learning art now during your spare time? —No, I’ve stopped ________ Chinese medicine instead.
—Were you late ________ the meeting? —No, I arrived there ten minutes________ the meeting started.
You can find ________ become more difficult to see clean rivers in our city.