The teacher often takes his students to visit the Science Museum _________ Saturdays.

A.in       B.by          C.a(chǎn)t         D.on

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科目:初中英語 來源:外研社七年級英語(上)練習題 題型:016

My mother is a teache in ________ university.

[  ]
A.

a

B.

an

C.

the

D.

/

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