By the end of last week, nearly 80 percent of the work .
--- What do you think of the good news ? --- Wonderful !.It makes us ____.Most of us were ____about it and _____ looks appeared on their faces.
--- How long _____ Professor White ______ the book ? ---- For about 10 days.
It is clear that a computer works ______ faster than an abacus .
Tommy is _______ captain of the class team at school and he is also _____ member of _____ Senor High team.
______ students up to 2, 000 , the school has built another laboratory.