It is for a person in his position to make such a mistake.
| A．rare | B．scare | C．usual | D．rarely |
I was reading a novel_____ he was watchingTV.
| A．when | B．while | C．before | D．as |
_____I live I must serve the people heart and soul.
| A．When | B．So long as | C．As soon as | D．On condition |
We shall go_____we are free.
| A．whenever | B．whatever | C．wherever | D．however |
It was not long_____ he got to know it.
| A．when | B．before | C．after | D．until |
It is five days_____ we came here.
| A．when | B．before | C．as | D．since |