单项选择题
Time should be made good use of（）our lessons well.
A.learningB.learnedC.to learnD.having learned
单项选择题 She felt very（）when her husband forgot her birthday.
单项选择题 Do you think the weather will （）？
填空题 根据提示补充完整单词：（）make sad.单词首字母为d，意为使沮丧，
