It used to be thought _____ the Earth was flat.
—Don’t stay in studying all day. _______.—It sounds quite reasonable. What about play basketball?
This kind of IPod _______ well in China and it is popular with students.
They have decided to build a monument ______ those who died in the great earthquake.
—Have you seen my English dictionary?—I put it right here just now, but now it’s nowhere ______.
—Can you help me download some popular songs from your computer?—_______, but I must finish typing the article first.