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题库 / Prep2007E1-SC-113
Thunderclouds form when warm, moist air rises into cooler air above, because either the ground is warmer than usually or because the interaction of two air masses, one warm and one cold, forces warm air to rise.
because either the ground is warmer than usually or because
because either the ground is warmer than usual or because of
because of either the ground being warmer than usual or because
either because of the ground's being warmer than usually or because of
either because the ground is warmer than usual or because
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trap就是预测你没有把句子读完
forces warm air to rise.
把题目看完整啊要
同一个世界，同一个错误。。
md把句子都完整啊giegie
either……or……之间平行可以杀ABC
because of + n. 杀D
either……or……之间平行可以杀ABC
because of + n. 杀D
同一个世界，同一个trap
force!!!!!把句子看完啊！！！！
because forces warm air to rise forces warm air to rise. 第二个because后面跟的是句子
either or排除A,B,C
or后面跟的是原因状语从句，either后面也应该跟从句→句子要读完，不要光光只看到the interaction就判断because of。
There are two reasons: Either... or. Because of or becasue , 第一个because 和第二个的forces 平行， 所以第一个because 后面要跟句子。