第一节 单项填空(共15小题,每小题一分,满分15分)
By the time you arrive in London,we_____ in Europe for two weeks.
A. shall stay B. have stayed C. will have stayed D. have been staying
2. Living in the central al Australian desert has its problems, _____obtaining water is not the least.
A. of which B. for what C. as D. whose
3. No bread eaten by man is so sweet as_____ earned by his own labour.
A. one B. that C. such D. what