If you play sports ______a living, your job will sometimes be very dangerous.A. for B. at C. by
Remember ________ the book to the library when you finish _______ it. A.to return;to read B.returning;reading C.to return;reading C.returning;to read
—_______ delicious beef!—Well.You can eat more if you like it.
The number of teachers in our school _______ greatly increased last term.A number of teachers in this school ______from the countryside.
—________ I watch TV now,Mom?—No.It’s too late ,and you ______ go to bed.
—Peter,_______ do you visit your grandparents?—Twice a month.