In 1900, the energy derived from burning petroleum was only four percent ______ of coal.
时间:2020-05-21
人气:2113
Americans eat ______ vegetables per person today as they did in 1910.
人气:1540
Mr. Johnson ______ rather not invest that money in the stock market.
人气:1051
The teacher gave_____the examination paper.
人气:2051
He‘s working hard_____.
人气:167
Two-thirds of his property_____lost in the fire.
人气:586
Both of my brothers are now married ,so I have two_____.
人气:2427
The driver pulled_____at the traffic lights.
人气:2668
Your bike needs_____.You ‘d better do i right now.
人气:1265
_____you understand this rule ,you‘ll have no difficulty in dealing with such problems.
人气:1218