1．(2016·高考全国乙卷语法填空)The nursery team switches him every few (day) with his sister ...
2．(2016·高考全国甲卷语法填空)Recent (study) show that we are far more productive at work ...
3．(2016·高考全国甲卷短文改错)If we go on a trip abroad，we can broaden our view and gain knowledges we cannot get from books.
