Mrs. Smith has three sons, two _____ have gone to college.
| A．of them | B．of whom | C．of who | D．of which |
--- 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 |
.Mrs Green was disappointed to see the washing machine she had had ______ went wrong again.
| A．repaired | B．to repaired | C．repairing | D．it to be repaired |