题目: 用动词 be 的适当形式填空
1. Who_______ your parents ?
2.Our English teachers aren't at school . They _____ at home .
3.What ________that over there ?
题目: 用动词 be 的适当形式填空
1. Who_______ your parents ?
2.Our English teachers aren't at school . They _____ at home .
3.What ________that over there ?
1.are 2.are 3.is
望采纳
就是用am is are was were填空