How________ you expect to get something in return when you never willingly lend a hand to others?
| A．shall | B．can | C．should | D．dare |
--- I merely made a joke with her, but she got angry.
--- She _______ didn’t get it.
| A．apparently | B．deliberately | C．accidentally | D．eventually |
With so many things mixed up it’s hard to _______ what’s that.
| A．give out | B．turn out | C．make out | D．take out |
Stand up _______ you fell down, and I’m sure you’ll succeed in time.
| A．until | B．where | C．before | D．which |
Scientists across the world agree that this is an invention of _______ great significance, _______ invention that will greatly change human life.
| A．a; the | B．a; an | C．/ ; the | D．/ ; an |
--- Tom, would you do me a favor? I’m in a mess.
--- _______. I’m just answering a call.
| A．Of course | B．Not at all | C．With pleasure | D．Wait a minute, please |