—Shall we go for a picnic in the forest park tomorrow?—Yes,________it rains heavily.
- You look worried. What's the matter? - I have some problems with my parents. I really don't know_______.
When people want to relax themselves, they prefer ______ TV or listen to music rather than _______ newspapers.
- You seem to be familiar with this city. - I_______ here for three years. It's great to be back.
What's wrong with your car? - Well, as you know, cars usually_______ start in winter.
- Mr Li is said to be very patient with his students. - Yes. But it's really a hard_______ for him to control a class of young children.