—What is your brother doing? —He is _____ what to do this summer vacation.[

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—What is your brother doing?
—He is _____ what to do this summer vacation.[     ]
A. looking after
B. helping with
C. thinking about
D. waiting for

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举一反三

He was weak so the doctor told him to _____ such unhealthy food and drinks. [ ]
A. care for
B. eat up
C. get along with
D. stay away from

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Hobo wants to _________Mulan．[ ]

A．dress
B．dress
C．dress up as
D．dress up as a

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when you want to go into the room，you should _________the door．[     ]
A．knock on
B．knocking on
C．knocks at
D．to knock at

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_____ is my brother" s hobby.             [     ]
A. Playing badminton
B. Doing his homework
C. Being a doctor
D. Living in a wooden (木制的) house

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Here are your clothes. ______, please. [ ]
A. Put on it
B. Put on them
C. Put it on
D. Put them on

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