2014-2015学年北师大版选修七 Unit 21 Human biology Language Awareness& Culture Corner 课件(22张)
2014-2015学年北师大版选修七 Unit 21 Human biology Language Awareness& Culture Corner 课件(22张)第3页

1. If American athlete Marion Jones hadn’t taken drugs, would she have made it to the Olympics at all? 2. If peter was a more skillful player, he would have scored more points.

Mixed conditional

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