an’t concentrate on his lessons recently.—-Yes, that might _____ his low score in the lasttest.

didn’t go to work yesterday because my car_____. — You could have borrowed mine. I wasn’t using it then. [ ]

_______ interesting work it is to teach children!

I’m too nervous to give a talk before so many people．— _____________, Maria．You can do it．

How does Jack usually go to school—He ride a bike,but now he is used to there.