七年级下册英语暑假词汇、语法填空专项练习 7(1)一、用方框中所给词的适当形式填空。1.Look!The two boys are __________ over there. We should stop them.2. Children under five usually travel __________ on trains.3.These days,it's hot and __________ in our city.4. __________,in winter,there is no pro...