Though it was very late, they __________their discussion.
| A．continued with | B．went on | C．continued on | D．carried on with |
My friend ______ a birthday present for me last Sunday.
A. buy B. buys C. bought
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