根据中文提示写出单词或词组,使句意完整、正确。 小题1:Great changes have taken place in China in ______(最近的)years. 小题2:—How many boys are there in your class? —Thirty, about sixty_____(百分之)of the students in our class. 小题3: —The water in the river is dirty. —Government has passed_____ (法律) against water pollution. 小题4:He joined the______(军队) in 2000. 小题5:“The greenhouse effect”causes the level of the oceans to_____ (上升). |