11. The little boy likes plane models very much. He wants to be a _______and fly a plane into the sky when he grows up.
—Have you found the missing?couple in the mountain ? —No, but we______hard to get in touch with them.
The average temperature in.Tibet has risen______ 0.32 degrees centigrade every decade since 1961, according to the China Meteorological Administration,.
—On which day shall we go outing in the Qiagling Mountains, Friday, Satutiby or Sunday? —______is all right.
第三节:语法和词汇知识(共15小题,每小题1分,满分15分)The survery shows that if people cannot afford_________house, they will feel less content about ___life.
In salad bars the waiter does not bring you salad.You have to ________ yourself, usually to as much as you want.