but

　　　　for a long time, but he tried his best to catch up with his classmates.

Excuse me, but it is time to have your temperature _____

We discussed the problem three or four times, but could come to no _____

You can,　　　　the sky is clear, see as far as the old temple on top of the mountain, but not today.

Come on , I want to tell you a secret now．But you must      it from other people．

The baby is hungry, but there's ________________ milk in the bottle.

I was worried about my maths, but Mr. Brown gave me an A.          .

I wish I __ longer this morning. but I had to get up and come to class.