I’ m sorry, I mistook you ___ your sister ___ mistake.
| A．for, by | B．by, for | C．by, by | D．for, for |
Mike must be angry with me, for he walked________me without even saying hello.
| A．past | B．on | C．at | D．over |
In middle schools all over China, boys_____not to wear their hair long.
| A．will be requested | B．have requested | C．are requesting | D．are requested |
Please turn down the music, _______our neighbors next door will be disturbed.
| A．and | B．or | C．but | D．so |
--- Oh, my God! We just missed the last bus back home.
--- I’m sure we_______ it, but you were not in any hurry.
| A．could catch | B．had caught |
| C．would catch | D．could have caught |
The topic,_____we devoted a full discussion, is to be presented to our teacher at class.
| A．which | B．where | C．to which | D．for which |