Some of the exercises appear to be ones that you have done, but after taking second look, you will find that they are different.
| A．不填; the | B．the; the | C．the; a | D．the; 不填 |
___ he said was quite surprising.
| A．That | B．What | C．Why | D．How |
___ entered the classroom when the bell rang.
| A．We hardly had | B．Hardly had we | C．Hardly we had | D．Had we hardly |
We visited a factory __ makes toys for children.
| A．where | B．which | C．in which | D．at which |
The reason why he was late was ___he had taken a wrong bus.
| A．because | B．whether | C．because of | D．that |
I have no idea ____.
| A．what does this word mean | B．what this word mean | C．what is the meaning of this word | D．what the meaning of this word is |