We all should make a contribution to ______ our environment.
A.protects | B.to protect |
C.protecting | D.protect |
更新时间:2014-11-27 11:33:47
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【推荐1】We must prevent hunters from wild animals.
A.to kill | B.kill | C.killing | D.killed |
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【推荐2】Bruce practices ________ basketball every day so that he can be a better player.
A.play | B.to play | C.playing |
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