— What are you going to do ______you see an old man lying on the road?
— I am sure to give him a hand.
| A．when | B．while | C．because | D．unless |
He is eating dinner, _____ then the telephone rings.
A. and B. but C. or
We are _____ the supermarket now.
A. at B. under C. on
They ________ for twelve hours a day.
A. eating B. eats C. eat
We say thank you ________ all the good _______ we have.
A. for , thing B. from , things C. for , things
Have you got ________ stamps from China?
A. any B. some C. a