________ a mobile phone can you ring ________ you want to talk with anywhere.
His studies on literature are very varied, ________ from Chinese literature to westurn literature.
The person who ________ advantage of the girl ________ a disadvantage didn’t gain an advantage ________ her .
—You like the Lenovo Computer. Why not buy one?—Well. I can’t afford ________ computer.
—Shall we go and visit the History Museum next Sunday?—________
It’s your own fault. You ________ take your baby with you.