Question

【题目】—Do you often communicate with your parents?
—No, they are busy. Either they or I at home.
A.both, are
B.all, are
C.both, am

Answer 1

【答案】C
【解析】句意：—你经常与父母沟通？—没有，他们都很忙。要么他们要么我在家里。两个都用both，在Either they or I作主语时，be 动词根据就近原则用am ,故选C。