people are distributed can also affect the education system.
| A．Why | B．How | C．What | D．When |
--Did you receive the letter the next day?
--No, somehow, it was three weeks ______ I received it.
| A．since | B．when | C．that | D．before |
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 |