Since we have failed many times, we should think of a new approach the problem.
She _________ his number in the phone book to make sure that she had got it right.
The meeting will begin at ten.So you have to be there _________ 9:50.
—Mum,I think I’m _________ to get back to school. —Not really dear.You’d better stay at home for another day or two.
—Do you regret spending 500 dollars on the overcoat? —No,I would have paid _________ if the shop owner had insisted.
_________ is known to everybody,the moon travels round the earth once every month.