Question

【题目】-- We'd better invite Jim and Jack to the party tonight.
-- Yes, ? I'll give them a call right now.
A.why
B.why not
C.what for
D.how

Answer 1

【答案】B
【解析】句意：——我们最好邀请吉姆和杰克来参加今晚的聚会。——是的，为什么不呢？我马上给他们打电话。why为什么；why not为什么不呢；what for为了什么；how怎样。故选B。