Question

I work very hard because I don’t want to ________.

1. A.
   let my parents down
2. B.
   let down them
3. C.
   let my parents to be disappointed
4. D.
   let my parents go

Answer 1

A
考查词组。句意为：因为我不想让父母失望，因此我工作非常努力。let sb. down的意思是“使某人失望”，固定词组。因此排除B、C、D。