a - c - b - b - b - b - c - b

better

more skillfully

faster

earlier

Nowadays, teenagers rely on technology more than in the past

We have a different life from other people: a nomadic life

are having

is

likes

is calling

am going to have

to come

Would you mind if I opened the window

Mr. Tuan used to go swimming when he was young

We haven't seen each other for 5 years

Miss Vy asked me how I went to school every day

My friend suggest I should improve my social skills

21. We haven't taken the exam .... it will be next week.

A. just    B. yet    C. laterly     D. recently

22. This is the first time Eric ..... camping.

A. went   B. goes    C. has gone    D. has never gone

23. Nina ...... this company for five year.

A. worked   B. has worked   C. have worked    D. works

24. I've live here ...... in 1990.

A. since   B. from   C. to    D. for

25. I ..... that man but I can't remember his name.

A. have met  B. has met  C. meet   D. have meeting

If it snows, the children will make a snowman
Unless you work harder, you will fail the exam
He won't like the food if you don't put more salt in it
I will come with you unless I am busy
Unless you give the dog a bone, it will not go away
Unless she rests, she will become ill
If I find Leslie's book, I will send it to her 

c - a - c - c - c - c

If they don't stop that noise, I’ll call the police
She won’t find tickets for the concert unless she books them soon
Unless I borrow the lawnmower Patrick, it will take me ages to cut the grass
If you do not use a strong nail, the mirror will fall
If it doesn't rain, we'll go to the football match
They will stay in a hotel unless their relatives have a spare room
If you don't remind me, I'll forget to post the letter

* Combine each pair of sentences to make a complex sentence. Use the word in the brackets. 1. The boss let the workers listen to music. They were sewing. (while) ……………The boss let the workers listen to music while they were sewing………………………………………………………………………………………………………………… 2. You should put the eggs in the egg cases. They will not break. (so that) ……………………You should put the eggs in the egg cases so that they will not break………………………………………………………………………………………………………… 3. Eric is careful and very handy with tools. He is suitable for carving job. (since) …………………………Since Eric is careful and very handy with tools, he is suitable for carving jobs.…………………………………………………………………………………………………… 4. It’s not high season. Lots of visitors still travel to the north coast. (even though) …………………Even though it’s not high season, lots of visitors still travel to the north coast.………………………………………………………………………………………………………… 5. The tourists bought several souvenirs. They visited the pottery workshop. (when) ……………………………The tourists bought several souvenirs when they visited the pottery workshop………………………………………………………………………………………………… 6. He turned down a job offer from a local pottery workshop. The pay was too low. (as) ………………………………He turned down a job offer from a local pottery workshop as the pay was too low.……………………………………………………………………………………………… 7. They developed handicraft villages. The locals would be able to live on their traditional crafts. (in order that) ……………………………They developed handicraft villages in order that the locals would be able to live on their traditional crafts………………………………………………………………………………………………………………………………………………………………………………………………………………………………… 8. Knitting is mainly thought as a woman’s pastime. Today more and more men are picking up the needles as well. (although) …………………………Although knitting is mainly thought as a woman’s pastime, today more and more men are picking up the needles as well…………………………………