three tons of coal后面用is 还是are
three tons of coal后面用is 还是are
Three million tons of coal ___ exploited every year.A is B a
Three million tons of coal is exploited every year in the ci
Three million tons of coal was/were exported
three tons of coal was/were exported 哪个对
It was reported that three million tons of coal----exported
three million tons of rubbish 谓语用单数还是复数
6.Three million tons of coal ____A__ every year in the city.
英语主谓一致语法Three million tons of coal ______ every year in the
6.Three million tons of coal ______ every year in the city.
主谓一致Ten thousand tons of coal were produced last year.Three
6 Three million tons of coal ________ every year in the city