American English has so many _________ because the American people have come from all over the world.
| A．grammar | B．vocabulary |
| C．pronunciations | D．dialects |
--- I need to advertise for a roommate for next term.
--- __________? Mary is interested.
| A．So what | B．What for | C．How come | D．Why bother |
—Thanks for your help, but can you do me one more favour, please?
—______ , Sir. What’s it then?
| A．Just a minute | B．At your service | C．That’s right | D．My pleasure |
—Would you mind if I set out earlier tomorrow morning?— Well, I’d rather you _______.
| A．don’t | B．didn’t | C．won’t | D．wouldn’t |
_______ is expected, according to the online survey, that housing prices can’t go up any more.
| A．As | B．Which | C．What | D．It |
The house rent is expensive. I’ve got about half the space I had at home and I’m paying _______ here.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |