1 . All passengers object to transferring to the next flight ________ they ________ a proper explanation.
A.though; will make | B.unless; are given |
C.if; will give | D.because; are made |
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2 . I hope all the precautions against air pollution, _____ suggested by local government, will be seriously considered here.
A.while | B.since | C.after | D.as |
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