He was busy writing a story, only ______ once in a while to smoke a cigarette.
| A．to stop | B．stopping | C．to have stopped | D．having stopped |
____ apple fell from the tree and hit him on ______ head.
| A．An; the | B．The; the |
| C．An; 不填 | D．The; 不填 |
Now when people refer to England you find Wales______ as well.
| A．include | B．included |
| C．including | D．includes |
The teacher _____ the class______ five groups..
A divided...into B. separated...from
C. separated...into.. D. divided...from
---He has been working hard all the time.
---__________ he got full marks in the last English test.
| A．No wonder | B．No doubt |
| C．No need | D．After all |
As we can see, the prices of vegetables _____ according to the season.
| A．vary | B．fall | C．rise | D．reject |