—What can we do to________ bird flu from spreading?—Try not to buy or eat chickens that have not been checked.A. prevent B. cause C. discover
Remember________the people________shopping clerk’s uniform for help if you are lost in the supermarket.
He eats________tood every day and he looks________thin.
He has a(n)________car.
—________? —I think he is tall,but others say he is of medium height.
We know that she enjoys________books very much.