题型：问答题 简答题 —Hey, Amy, on a summer night, the weather is usually hot at night.—Yes, so I often go to sleep _____ the window _____.A. let, open B. have, closed C. with, closedD. with, open 查看答案
题型：问答题 简答题 Every year _____ money and energy is spent on environment protection. A．large quantities ofB．a large number ofC．a large quantity ofD．a plenty of 查看答案