单选题(According to) our estimate, only one (out of) three company managers (have been) trained in the (field of) management.
单选题He said he would stay for another two days ______ it rained.
单选题In the Middle Ages people believed it was the earth, not the sun, _____ the center of our planetary system.
单选题I fell and hurt myself while I ______ tennis.
单选题Cameron and Menzies were looking seriously at ______.
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单选题For example, the word "bead" originally means "prayer", but later it refers to "the prayer bead", and finally "small, ball-shaped piece of glass, metal or wood". It is called ______.
单选题Martin, with his wife, both working in the same company, ______decided that they would send their little daughter to the nearest kindergarten.
单选题(Survival) in the desert has always (depended in) the (availability) of (water).A. Survival B. depended C. availability D. water
单选题“When do you go to work?”“At __________ .”
单选题They didn"t come to the party, though they had ______ that they would.
单选题By moving the radar beam around slowly in circles, we can ______ the surroundings.
单选题I______her not to walk on the thin ice but she wouldn't listen.
单选题I (enjoy) eating (good) restaurants and (to go) to the theater (afterwards).
单选题One of my brother"s many faults is that he never ______ anything very long.
单选题He walked across the meeting room ______ everyone looking at him.
单选题The paint is still wet. ______!
单选题(Last week) (a old friend of mine) (came to) Beijing and (paid me a visit).
单选题______ of the two brothers are fond of classical music.