1 . A very big earth struck Tangshan ______ July 28, 1976.
A.at | B.in | C.for | D.on |
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2 . I get to school ________ bus every morning.
A.by | B.in | C.on | D.at |
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3 . This afternoon , we had our chemistry class ________ the science lab.
A.on | B.beside | C.with | D.in |
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