Coal was not used very widely as a sources of energy ...................the last century.
A.after
B.when
C.while
D.until

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Peter and Mary are talking about social networks.
- Peter: "Using social networks may have negative effects on students."
- Mary: “________. It distracts them from their studies."
A.You're wrong
B.That's quite true
C.I don't quite agree
D.I'm not sure about that

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
David is apologising to his teacher for being late.
- David: "Sorry I'm late! The traffic is so heavy."
- Teacher:" ________. Come in and sit down.''
A.Thank you
B.You're so kind
C.Me neither
D.It's alright

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
I have tried hard, but it is too difficult to find the solution to this maths problem.
A.link
B.answer
C.reply
D.relation

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Though considered the king sport in many parts of the world, soccer has never really caught on in the United States.
A.been consolidated
B.been active
C.become popular
D.remained silent

Choose the best answer to each of the following questions.
Peter does not work for our company any more.
A.Peter gets used to working for our company.
B.Peter used to work for our company.
C.Peter are used to working for our company.
D.Peter did not use to work for our company.

Choose the best answer to each of the following questions.
You should have seen the boss as soon as you arrived.
A.The boss did not want to see you when you arrived.
B.You were supposed to see boss when you arrived.
C.After your arrival, you came to see the boss.
D.You came to see the boss as soon as you arrived.

Your room is a mess! It's too untidy. Why don't you.................. it................?
A.clear/ up
B.clear/ in
C.clear/ out
D.clear/ down

Choose the best answer to each of the following questions.
I’d prefer it if you didn’t smoke in here.
A.Smoking is banned in here.
B.People prefer to smoke in here.
C.Both you and I prefer smoking in here.
D.Would you mind not smoking in here?

Choose the best answer to each of the following questions.
The friends ___ at university are coming to visit next week.
A.we met
B.when we met
C.whose we met
D.we met whom