They were lost at sea, _______ the mercy of wind and weather.
| A．on | B．at | C．in | D．by |
Joining the firm as a clerk, he got rapid promotion, and ______ as a manager.
| A．ended up | B．dropped out |
| C．came back | D．started off |
--John said he would provide you with anything you needed, didn’t he?
--Yeah. It was ______ of him, but I declined his offer.
| A．modest | B．punctual | C．instant | D．considerate |
I looked through the window of our hotel, ______ I saw a man taking photos in the yard.
| A．where | B．at which | C．when | D．from where |
In much of the animal world, night is the time ______ for sleep – pure and simple.
| A．set aside | B．set down | C．set off | D．set up |
--Thank you for the suggestions you kindly offered us.
--______. It is really an honor to help you.
| A．Don’t mention it | B．Go ahead |
| C．Don’t worry about it | D．Go away |