—The room is in a mess again!
——Sorry. It is ______ who ______.
| A．me, is to blame | B．I, is to be blamed | C．me, am to be blamed | D．I, am to blame |
I passed by Joan quickly without greeting her, ______not to see her.
| A．pretending | B．to pretend |
| C．pretended | D．having pretended |
The inventor was determined to go on with the experiment_______countless failures.
| A．instead of | B．because of |
| C．in favor of | D．regardless of |
To our great relief, the exam turned out to be not so difficult as we_______．
| A．imagined | B．had imagined |
| C．would imagine | D．have imagined |
It’s one thing to have theories, but it’s _______to put them into practice.
| A．others | B．other | C．another | D．more |
Yesterday my aunt sent me an email _______she told me she would come to see me next week.
| A．which | B．where | C．that | D．when |