—How do you usually keep in touch with your friends, by email or letter?— .
After he graduated from college, he _______ his father’s business.
Both rice and wheat _______ grown in our country.
I, who ______ your close friend, will try my best to help you out of trouble.
______ everything ______, she left the supermarket with satisfaction.
We are so happy to see the problem _______ so quickly.