You cannot be ____ careful when you drive a car.
—Do you think George has passed the driving test?—No.If so,he ________ his car to our college yesterday. (2013·福建,30)
Eye doctors recommend that a child’s first eye exam ________ at the age of six months old. (2013·浙江,8)
I ________ myself more—it was a perfect day. (2013·浙江,3)
He________sleep,although he tried to,when he got on such a hunt for an idea until he had caught it. (2013·湖南,32)
If he had spent more time practising speaking English before,he________able to speak it much better now. (2013·天津,14)