题目内容
They spent as many hours as they could ___their lessons.
A.study
B. to study
C. studying
C
【解析】
试题分析：句意为：他们尽可能地多花几小时时间学习功课。spend time doing sth是固定用法，表示“花时间做某事”。故选C。
考点：考查非谓语动词。
53随堂测系列答案
vegetable, think, idea, be ,put, sleep , there , quiet, like, milk |
You are so tired, but you can’t fall asleep(入睡) at night. Here are some good ___1. .First , you should stay in a ___2.___ room. That’s important. You should ___3.___ your feet in some warm water before you go to bed, and that __4.__ a traditional way. You should have a glass of ___5.___. It’s good for sleeping. You should ___6.__ you are in a beautiful place. It is very quiet there and ____7.___are many trees and you walk slowly . That sounds __8.____ a good idea. It can help you to sleep soon.
__9.___ is important for our health. Don’t be stressed out . Go to bed early. Eat more _10.___ and do some exercise. And everyone will have a good sleep at night.