1. Though good writing requ…., it is the latter that make writing vivid, real and clear. (though + clause: mặc dù…)
2. A student who has studied English for few years may have a vocabulary of thousands of words. (Relative clause with who - subject)
3. Between formal and colloquial English there is unmarked English which is neither so literacy and serious as formal English, nor casual and free as colloquial English. (Relative clause with Which – refer to Subject)
4. He bought a jeep although his friend advised him against it. (although + clause: mặc dù…)
5. It was raining so hard that they could not work in the fileds. (so Adj that clause)
6. The politician is …. Elections whereas the statesman is interested in the future… (whereas + clause: trong khi…)
7. The result.. Successful although the school refused to give any help. (though + clause: Mặc dù…)
8. He chose to study computer science because of good employment prospects (because of + N/Ving)
9. If Mary hadn’t walked very slowly, she would have caught the train. (conditional sentence Type 3: If + had + Vp2, S + would have + Vp2).
10. He is not coming in the event of putting of the meeting till next week.

(in the event of + N/V-ing)