基本信息
ⅰ.多项填空 1.you'd better ________the good apples from the bad ones before they all go bad. a.combine b.separate c.protect d.prevent 【解析】 句意为:你最好把好苹果与坏苹果分开,免得它们都变质了。 separate...from...把……与……分开,符合题意。【答案】 b 2.________listening and speaking,you have to practice a lot if you want to improve your written english.