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I failed to get in touch with him before he left. I _____ have phoned.A. shouldB. would

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If I _____ be a little late coming home, do not wait for me.A. mayB. should

How I wish _____ speak French!A. couldB. was able to

Driving on icy roads_____ be dangerous.A. canB. may

Mary _____ be in Paris. I saw her an hour ago.A. may notB. cannot

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