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Today the forests are disappearing. We must _______ down too many trees.

A. prevent people to cut B. prevent people from cutting

C. prevent people for cutting D. prevent people at cutting

B ¡¾½âÎö¡¿¾äÒ⣺½ñÌ죬ɭÁÖÕýÔÚÏûʧ¡£ÎÒÃDZØÐë·ÀÖ¹ÈËÃÇ¿³·¥¹ý¶àµÄÊ÷ľ¡£prevent sb. from doing sth.×èֹijÈË×öijÊ£¬¹Ê´ð°¸Ñ¡B¡£
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