4.The students couldn't help ______ when they heard the joke.A.to laugh B.laugh C.laughing

None of the students could understand his＿＿.(explain) Hearing the hero is coming,the students could hardly wait to see him.这里could 为什么不能用can代替 Many poor students could go to school ( )the help of the Project Hope.填介词 The teacher spoke()so the students could hear him clearly...AloudB loudlyC aloud The teacher did what he could to help the poor students .是什么从句? The teacher spoke()so the students could hear him clearly .A loudB loudlyC aloud So loudly……the students read that people could hear them out in the street. It____Sunday,the students could find some time of their own.being to be was is 英语翻译Curious students would ask how the chinese economy could be both socialist and market-driven. only students could work out the problem ,becaude it is too difficult 求下面一句话的翻译she could not get her words understood by the students Until a few years age,only boys could become students at the University of uritania Each of the students felt__that nobody could keep quiet.a.very excited b.so excited The most popular extra (额外的) classes at my school were piano lessons and drama club.Both classes offered exams students could take.这里的could Both classes offered exams students could take 单项选择：The teacher was angry ,because ( )of the students could answer that question.A.单项选择：The teacher was angry ,because ( )of the students could answer that question.A.everyone B.none C.many 24、 The teacher spoke loudly ___ the students could hear him clearly.A、soB、thatC、so thatD、in order to The question was very easy,but _____ of the students could answer it.A.few B.a few The teacher raised his voice _____ all the students could hear him.A.forB.so that为什么不选for?