New iPhone goes on sale on Friday with ____ bigger screen and 4G wireless technology, as _____ company seeks to keep its competitiveness.
| A．a; the | B．a; a |
| C．the; the | D．the; a |
It was very dark，____Jane seemed to know which way to take at the crossroads.
| A．or | B．and | C．but | D．as |
Noise is unpleasant, ________ when you are trying to sleep.
| A．seriously | B．specially |
| C．especially | D．naturally |
It's quite warm here; we ________ turn the heating on yet.
| A．needn’t | B．mustn't | C．couldn’t | D．wouldn't |
Sarah made ______ to the airport just in time to catch her plane this morning.
| A．herself | B．this | C．that | D．it |
—Would you mind if I sit here?
— _________. It is for Mr. Brown.
| A．Not at all | B．Never mind |
| C．Better not | D．Of course not |