The students are ______ (confuse) about the ______ (confuse) problem.后面一个为什么加ing?

The students are ___ ___ ____the coming exam. The students are busy ___(listen) to the teacher. The students and I are ___(both all) good friend Look!How ___(hard) the students are working! ___(许多) Of the students in Class1 are from nanjing The students are interested in ___(play) basketball. The students are hapyy ___(see) each other.怎么填 There are no students in the classroom.(改为同义句)There are ___ ___ students in the classroom. The students are doing an experiment __ ___ ___ ___ their teacher. The students are ___ ___(表演)a short play in the school hall The students are tired after playing soccer___ ___ ___.（两小时） The students are surprised to see a dog in the classroom.(同义句)The ___ ___ ___ is ___ ___ a dog in the classroom. The students are surprised to see a dog in the classroom（改为同义句）The ___ ___ ___ is ___ ___ a dog in the classroom. we are looking for the students who care for others.等于?we are looking for the students who ___ ___ ___ others.we are looking foe the students who ___ ___ ____ ____.第二个是we are looking for the students who ___ ___ ____ ____. 英语翻译the students ___ ___ ___ ___ ___ ___ the children ___ ___ ___. What are the students What are the students Are the students happy?