Jack wasn't saying anything, but the teacher smiled at him ________ he had done something very clever.(2011·湖南)
—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.