---Why did the teacher get angry? --- __________ what we had done the day before.
| A．Because | B．Since | C．As | D．Because of |
------You’ve left the light on.
------Oh, so I have. _____________to turn it off.
| A．I’ll go | B．I’ve gone | C．I go | D．I’m going |
--How did she get infected?
--She ________the virus without any protection.
| A．exposed to | B．had been exposed to | C．had exposed to | D．was exposed to |
He always did well at school __________ having to do part-time jobs every now and then.
| A．in spite of | B．instead of | C．in case of | D．in favor of |
--thank you for keeping me _________ of everything that’s happening.
--Don’t mention it.
| A．inform | B．informing | C．informed | D．being informed |
Jackson’s doctor was arrested by police and _________ of murdering.
| A．accustomed | B．accused | C．adjusted | D．Charged |