---Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days.
---No excuse for it, but I drop it this time.
| A．might | B．can | C．should | D．must |
.
. He has never travelled out of his hometown, _______ to a foreign country.
| A．leave out | B．let out | C．let alone | D．leave alone |
.
We don’t have to feel curious about him. Actually he leads _______ we ordinary people do.
| A．as a life normal as | B．as normal as |
| C．as normal a life as | D．as a normal life as |
.
We can’t use the bridge now, because it _______.
| A．has been repaired | B．is repairing | C．is repaired | D．is being repaired |
.
--- Shall we go shopping together this afternoon?
--- _______. I will be very busy then.
| A．Out of question | B．Out of the question | C．No problem | D．Good idea |
.
________ the absence of any further evidence the police were unable to solve the murder.
| A．For | B．From | C．On | D．In |