__________,I think, and the problem could be settled.
I don’t doubt that the price of the red apples is higher than___________ of the yellow__________ in this area.
David is clever and quick at work, he is honoured with the title of model worker.
—— Why does she always ask you for help? —— There is no one else , is there?
Mr. Green has made another wonderful discovery, ______ great importance to science.
It remains whether Jack will be fit enough to play in the final.