如题所述
ããprevent sb from doingçfromå¯ä»¥çç¥ãprevent...fromæä¹æ¯ï¼é»æ¢æ人åæäºãprevent sb from doing sthå¨ä¸»å¨è¯æä¸fromå¯ä»¥çç¥ï¼è¢«å¨è¯æä¸fromä¸å¯ä»¥çç¥ãä¾å¦ï¼
ãã1ãWe must prevent the waterï¼ from ï¼being polluted.
ãã2ãHe was prevented from going to school because of his illness.
ãã1ãWe must prevent the waterï¼ from ï¼being polluted.
ãã2ãHe was prevented from going to school because of his illness.
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第1个回答 2016-02-13
不可以省。