—Peter doesn’t mind lending you his camera.
—He _______. I’ve already borrowed one.
| A．can’t | B．mustn’t |
| C．doesn’t have to | D．may not |
When will Sally and Carol arrive？
I don't know． I have ______here for half an hour．（ ）
A．comeB．leftC．waitedD．arrived
Eric， ______playing that computer game． Why not read a book？
OK， Mom．（ ）
A．to stopB．stoppingC．stopsD．stop
Paul and Dale have ______in common， although they are brothers．（ ）
A．somethingB．anythingC．everythingD．nothing
Would you like to come to my party next Sunday？
I'd love to， but I ______． I have an important meeting that day．（ ）
A．can'tB．mustn'tC．needn'tD．shouldn't
Allan has a pet dog． I often see him ______the dog in the morning．（ ）
A．walkB．walksC．walkedD．to walk