---How long will you stay here?
---I don’t know. ________.
| A．Never mind. | B．That’s OK. |
| C．It doesn’t matter. | D．It depends. |
Books are the most important records we ______ man’s thought, ideas and feelings .
| A．keep up | B．keep of | C．keep down | D．keep on |
--- If the manager is free and _____ us, please tell him that we _______ .
| A．will receive ; waited | B．will receive ; have arrived |
| C．receives; have waited | D．receives; arrived |
I’ve rushed off my feet all day . I’m trying to get out of the endless business , ____ I find it impossible.
| A．while | B．but | C．which | D．that |
----- Wonderful ! Your monitor is a wise person .
---- But in opinion , he is _____ than wise .
| A．cleverer | B．braver | C．more brave | D．less brave |
---- Is this the recorder you wish to _______ ? ----- Yes, it is .
| A．repair it | B．have repaired | C．have it repaired | D．be repaired |