连词成句
1.because,very,trouble,of,have,a,i,the,it,difficult,exam,lot,pass ing,is
2.her,trying,to,words,he,best,is,understand,his
3.much,our,with,teacher,have,the,progress,of,made,help,we
4.is,read,us,more,for,it,important,books,to
5.homewerk,that,can't,i,finish,afraid,today,i'm,the

1.I have a lot of trouble passing a exam because it is very difficult.
2.He is trying his best to understand her words.
3.We have made much progress with the help of our teacher.
4.It is more important for us to read books.
5.I'm afraid that I can't finish the homework today.