Peter, we are good friends. We can help ____.—Yes, you’re right.

I am sorry I can’t meet you at the station. I _____ by the time you come back from abroad.

are some health problems that , when _______ intime , can become bigger ones later on

The terrible drought has captured worldwide attention. As responsible citizens, we must never ______ the terrible situation that our common home is faced with.

Why do you like dogs—________ they are very friendly.