His test results are not very consistent. He does well __________week and badly the next.
| A．one | B．another |
| C．the other | D．some |
You can smoke here ______ you leave a window open to let the smoke out.
| A．even though | B．so that | C．as long as | D．in case |
It is usually cheaper to have the goods ______ by sea than by air.
| A．sent | B．to send | C．sending | D．being sent |
The pianist ______ a love for music when he was a little boy.
| A．develops | B．has developed |
| C．developed | D．had developed |
Jack, look! Everybody is doing homework quietly. ______ you make a noise in class?
| A．Could | B．Shall | C．Will | D．Must |
There are plenty of vegetables in the fridge. You needn’t buy ______.
| A．some | B．any | C．few | D．little |