9. The other day he ran across one of his friends on the street, whom he ___________for ages.
There are twentyeight classes in our school,______ over 56 students.
A number of new machines were introduced from abroad,______ an increase in production.
Grades would______from one or two,for outstanding or excellent,to six or seven,for poor or very poor.
—I hear Tom ______ playing games recently.—______ no wonder he is easy to feel sleepy in class.
I was so excited at the news that I could hardly ______ my feelings in words.