.—Jack had a lot of parties recently.
—Yes. That might ________ why he did so badly in the last test.
| A．compensate for | B．push for |
| C．answer for | D．account for |
You can’t imagine what difficulty I took _____ your home.
| A．find | B．to find | C．finding | D．found |
.Every time I express an opinion, he always argues ____ me ____ it.
| A．with; against | B．with; for | C．against; against | D．against; over |
I won’t give you any help ___ you tell me the truth. It’s none of my business.
| A．unless | B．since | C．as is | D．even if |
-- _____?
--- He is kind but sometimes a little silly.
| A．What is your brother | B．What does your brother like |
| C．What does your brother look like | D．What is your brother like |
Generally speaking, it is about ____ on the mountain than in the valley.
| A．three degrees colder | B．three degrees as cold |
| C．colder three degrees | D．as cold three degrees |