.
.Fire safety in houses, _____ most deaths occur, is difficult to achieve.
| A．where | B．which | C．to which | D．from which |
What made me surprised was his attitude __________ the mistakes I had made.
| A．for |
| B．with |
| C．of |
| D．towards |
What's your attitude __________ that problem?
| A．towards |
| B．of |
| C．with |
| D．at |
—Mike, you don't seem to be quite __________ today.
—Well, I hardly slept last night. I was preparing for a report.
| A．itself |
| B．yourself |
| C．you |
| D．ourselves |
—Which of the two English films do you like better?
— __________ shorter one, of course. I think it's really __________ most instructive one.
| A．A; the |
| B．The; the |
| C．The; a |
| D．A; a |
__________ about what he had done, the shy boy ran away as fast as possible.
| A．Having embarrassed |
| B．Embarrassing |
| C．To embarrass |
| D．Embarrassed |