19．We’d better set off now, or it will be dark__________we know it.
| A．until | B．after | C．when | D．Before |
. Let’s hope the weather ____ for Saturday’s tennis match.
| A．keeps up | B．picks up | C．carries on | D．puts up |
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 |