(2010·四川高考)—________ I take the book out?—I’m afraid not.

Are you satisfied with what she has done? –Not a little. It can’t be______.

As teenagers, it is not until we are able to face difficulties bravely we are mature enough.

was the trouble with you yesterday— When I practised running on the playground, mystrength _____ and I fell onto the ground.

_____ Lucy to be careful with her handwritingall the time, but she hasn’t polished it at all