.
—Must I turn off the gas after cooking?
—Of course! You can never be__________careful with that.
A.enough | B.too | C.so | D.very |
____of the land in that district ____covered with trees and grass.
A.two fifth; is | B.two fifths; are |
C.two fifths; is | D.two fifths; are |
Burning all the lights in the classroom will be a great______ on electric power.
A.waste | B.lack | C.drain | D.damage |
If you build a house with good_______ , it will last long.
A.foundation | B.floor | C.basis | D.ground |
After many years’ waiting, Chinese people______ realized their dream to hold the Olympic Games.
A.constantly | B.eventually | C.lastly | D.generally |
He had a talent for music and was______ conductor of Shanghai Symphony Orchestra at the age of 30.
A.assigned | B.appointed | C.named | D.honored |