题目内容
Look! Those _______ my sisters.
A.is B.am C.are D.be
C
【解析】
试题分析：be动词往往根据句子的主语而有所不同，其应用原则可以结合如下歌谣来记忆；我用am，你用are；is用在他、她、它。单数名词用is，复数名词全用are。本句主语those为复数形式，故系动词用are，选C。
考点：考查主谓一致
百分学生作业本题练王系列答案补全对话： 根据所给对话，从方框中选出一个能填入空白处的最佳选项。（10分）
A. When and where will we meet? B. Why do you think so? C. This is Li Lei. D. What are you doing? E. Would you like to come with us? |
A: Hello! May I speak to David, please?
B: This is David speaking. Who’s that?
A: 1.
B: Hello, Li Lei. 2.
A: I’m doing my homework.
B: I think you are learning physics.
A: Yes. You’re right. 3.
B: Because physics is your favorite subject.
A: David, we want to play soccer this afternoon. 4.
B: Yes, I’d love to. 5.
A: We want to meet on the playground at 1:00 p. m. See you then. Bye.
B: Bye-bye.
