你可能感兴趣的试题
has been cut off have been cut off has been cut down have been cut down
cut through cut off cut up cut down
repair repaired have repaired are repairing
cut off cut up cut away cut in
cut dangerous diverted polluted
radio traffic lights gas tap
a. How much fresh water is tied up in glacial ice 75 % of the Earth’s fresh water supply. 90% of the Earth’s fresh water supply. Enough to support human beings for 1,000 years. As much as the water from 10,000 trillion metric tons of ic
cut out cut off cut down cut away
people knew people had known did people know had people known
had repaired have repaired repaired are repairing
radio traffic lights gas Tap
cut off cut up cut away cut out
seal water supply be cut off make-up water supply be cut off oil outlet valve closed or not open sufficiently the flow rate of oil is too much
cut out cut off cut down cut away
had repaired have repaired repaired are repairing
cut out cut up cut away cut off
seal water supply be cut off make up water supply be cut off oil outlet valve closed or not open sufficiently the flow rate of oily water is too much
had repaired have repaired repaired are repairing
湘公网安备 43130202000226号