He has a friend who ____ the piano very well .
| A．play | B．playing | C．plays | D．played |
John’s parents were worried that he _________ too much time chatting with friends on the phone.
| A．afforded | B．cost | C．paid | D．spent |
—Mr. Green _________ his son.
—Yes, he enjoys talking about his son with any friend of his.
| A．is terrified of | B．gives up |
| C．worries about | D．takes pride in |
—When I was young, I used _________ swimming in winter.
—Me too.
| A．to going | B．going | C．to go | D．go |
The doctor says that the problem with her husband’s eyes ___by many reasons.
| A．cause | B．causes | C．is caused | D．are caused |
—Do you often help your brother with his English?
—No. He learns English by ________.
| A．us | B．him | C．ourselves | D．himself |