一般现在时be动词 — 英语填空题
题目
情景：新学期，Lily 正在向班主任介绍自己的家人和朋友。请用 be 动词（am / is / are）的正确形式填空，注意否定与疑问形式。
A. My sister and I ___ both in Grade Six, but we ___ not in the same class.
B. — ___ your brother good at swimming?
— No, he ___. He likes running.
C. Lily says: "I ___ new here, and this ___ my friend Kate."