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A. its,its B. it’s , its

C. it’s, it’s D. its, it’s

A.From B.At C.On

A.I do, too. B.I will, too. C.I did, too.

A.what B.when C.who

—It could _____. He studies Chinese.

A. belong to Tom B. Tom

C. Tom’s D. belong to Tom’s

【題目】—Mum， my friend Lucy．
—Hello, Lucy．

A.this is
B.they are
C.these are
D.he is

A. take part in B. join C. enter D. take part

--Of course. It ____ every day

A. cleans B. cleaned C. is cleaned D. was cleaned

A. stolen B. stole C. steal D．stealing