【題目】If we ______ take environmental problems seriously, the earth ______ worse and worse.

A.don’t; won’t beB.won’t; isn’tC.won’t; isD.don’t; will be

【答案】D

【解析】

考查一般將來時(shí)。句意:如果我們不嚴(yán)肅對待環(huán)境問題,地球?qū)?huì)變的越來越糟糕。本題中if 引導(dǎo)條件狀語從句意為“如果”,根據(jù)主將從現(xiàn)原則,即主句用一般將來時(shí)從句用一般現(xiàn)在時(shí)表將來。故選D項(xiàng)。

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