. The river, ____ are covered with trees, is very long.
| A．which banks | B．of which banks |
| C．whose the banks | D．the banks of which |
________that Maric was able to set up new branches elsewhere.
| A．So successful her business was |
| B．So successful was her business |
| C．So her business was successful |
| D．So was her successful business |
--Excuse me, could you tell me the way to the British Museum?
---Sorry, I'm a stranger here.
---_______.
| A．Thanks anyway | B．It doesn't matter | C．Never mind | D．No problem. |
—How about Christmas evening party?
—I should say it was success.
| A．a; a | B．the; a | C．a; 不填 | D．the ; 不填 |
It was ______ back home after the experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
Please tell me how the accident_____. I am still in the dark.
| A．came by | B．came out |
| C．came to | D．came about |