Question

He ________ a piece of waste paper, and put it into the rubbish bag.

1. A.
   picked up
2. B.
   threw away
3. C.
   looked for
4. D.
   handed in

Answer 1

A
考查短语的用法。pick up表示“捡起”；throw away表示“乱丢”；look for表示“寻找”；hand in表示“交上”。由后句“他把它放到垃圾袋里”可推断前句为“他捡起一张废纸”。故选A。