Question

【题目】-- Such beautiful flowers! I can't decide _______ for my mum.
-- For Mother's Day, it can't be better to take some carnations (康乃馨).
A.to choose which
B.how to choose
C.which to choose
D.when to choose

Answer 1

【答案】C
【解析】句意：---如此漂亮的花，我不能决定选择哪一个给我的母亲。--为母亲节，带一些康乃馨是最好的。这里是疑问词+to do，这里是选择哪一个。根据题意，故选C。