---I don’t know how to write the article assigned by our professor on international trade.
--You should have ______ your attention on the lecture that ______ how international situation affects exports and imports across the globe.
| A．put; concentrate on | B．paid; talked about |
| C．fixed; dealt on | D．focused; focused on |
—Have you heard that eleven people were killed on the spot in the highway traffic accident?
—Yes, whatshock it is to hear news．
| A．a; a | B．a; the | C．/; / | D．the;/ |
They were kept waiting in the snow for a couple of hours,________．
| A．cold and hungry | B．coldly and hungry |
| C．cold and hungrily | D．coldly and hungrily |
—How do you like working here?
—_______To be honest，I miss my former colleagues．
| A．I like it here | B．Not so good |
| C．More than satisfactory | D．very much |
As we all know, he has regretted wasting the precious time when he studied hard playing computer games at school.
| A．should have | B．would have | C．might have | D．must have |
--- Would you please explain to me about the difference between the two words?
--- I’m sorry, but that’s I’m puzzled about.
| A．why | B．what | C．which | D．where |