【C5】A．whenB．forC．butD．that

【C5】A．whenB．whichC．howD．it

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【C5】A．asB．forC．withD．by

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【C4】A．whenB．althoughC．butD．while

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【C5】A．aboutB．forC．toD．as

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Hardly had we got on the bus______it began to rain.A．whenB．sinceC．butD．before

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【C17】A．soB．forC．butD．and

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【C5】A．likeB．forC．byD．as

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