. In order to learn the _____ of the family business, Bill took a job as messenger boy in one of the offices. A. ins and outs B. dos and don’ts C. heads and tails D t’s and i’s
Some researchers believed that there is no doubta cure for AIDS will be found.
— Shall I give you a ride since you live so far away? — Thank you. _______.
You’d better _____ some money for special use.
Many studentspreparing for the midterm examination.
________ from space, the earth , with water_______ seventy percent of the surface , looks like a blue ball.