He arrived here at noon, in the day, and he went out and came back in the day.
—How do you like the glasses? —This kind of glasses made by experienced workers________ comfortably.
It is not easy to learn English well, but if you ____.You will succeed in the end.
--- _____ Tracy was in such a hurry ? ---I don’t know.She might have been running to catch the bus.
Stressful environment leads to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease.
—You don’t see the professor from Singapore quite often, do you? —No, we only meet ______.