--- Is Mr. Smith in the office?
--- Yes，_____ he is in charge of the office，he must be there.
| A．however | B．since | C．whether | D．for |
--Could you do me a favor?
---It depends on _____it is.
| A．which | B．whichever | C．what | D．whatever |
_____at what he said, she asked him why he said so to her.
| A．Amazing | B．Amazed | C．Having amazed | D．Surprised |
Soon , Mary _____ the shock and became calm again.
| A．recovered | B．recovered from | C．affected | D．covered from |
The children were surprised by the sudden _____ of their teacher．
| A．enter | B．entrance | C．entry | D．come |
---Mike, you know, I have read the book twice!
---______? I have read it so many times that I can recite it now.
| A．How come | B．What do you reckon | C．What for | D．So what |