单选题 补充:I don’t know ___B___ to deal with such matter.我不知道如何处理这类问题。

单选题 People at the party worried about him because no one was aware he had gone.

单选题 There a book and some magazines on the desk.

单选题 Measles a long time to get over.

单选题 A sudden noise of a fire-engine made him to the door.

单选题 -Do you want to wait? 您愿意等吗?
-Five days too long for me to wait.

单选题 This kind of material expands the temperature increasing.

单选题 It was well known that Thomas Edison the electric lamp.

单选题 The top of the Great Wall is for five horses to go side by side.