—The light in his office is still on. Do you know _______?—To prepare for the material(材料) the meeting will need tomorrow, I think.
The first thing ________ my brother is going to do this afternoon is to write a letter.
Giving a hand to others _____ little, but it’ll bring you _____ much.
—Jim, how about keeping a dog as a pet?—Good idea! But I prefer to have a cat. The dog is ______ to look after.
—Dad, there is something wrong _____ my computer. I can’t get on the Internet.—Why? Let me have a look. Oh, it’s wrong _____ you to click a wrong icon.
We felt ______ when Li Na won the second prize in the Australian Open Championship.