Với $ m $ , $ n > 0 $ , bất đẳng thức: $ mn\left( m+n \right) < { m ^ 3 }+{ n ^ 3 } $ tương đương với bất đẳng thức
 
A.$ \left( m+n \right){{\left( m-n \right)}^ 2 } > 0 $
B.$ \left( m+n \right)\left( { m ^ 2 }+{ n ^ 2 }+mn \right)\ge 0 $
C.$ \left( m+n \right)\left( { m ^ 2 }+{ n ^ 2 } \right)\ge 0 $
D.Tất cả đều sai .

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My mother _____ rock and roll, she only listen to pop music.
A.don’t like
B.doesn’t like
C.don’t likes
D.doesn’t likes

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
These new machines have put an end to queuing.
A.People have to queue before these machines.
B.Putting an end to queuing depends on these machines.
C.These new machines have a special function in putting an end to queuing.
D.Before these new machines were invented, people had to queue.

Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.
"Lily has a lot on her mind", Mrs. Baker said.
A.(4) Lily has a wonderful mind.
B.(1) Lily can't quite decide what to do.
C.(2) Lily is worried about several things.
D.(3) Lily has refused to do something important.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
To get to work on time, they have to leave at 6.00 a.m.
A.They always leave for work at 6.00 a.m.
B.They have to leave very early to catch a bus to work.
C.Leaving at 6.00 am, they have never been late for work.
D.Getting to work on time, for them, means leaving at 6.00 am.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions
Their holiday plans fell through because there was a strike at the airport.
A.(2) They failed to go on the holiday like they had planned because a strike took place at the airport
B.(3) A strike at the airport almost put a stop to their holiday plans.
C.(4) Disappointingly, a strike at the airport forced their holiday plans to nothing
D.(1) They couldn’t go on holiday as planned as a result of a strike at the airport

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
The meeting was put off because of pressure of time
A.People wanted to get away, so the meeting began early.
B.The meeting lasted much longer than usual.
C.There was not enough time to hold the meeting.
D.The meeting is planned to start in a short time.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Diana ran into her former teacher on the way to the stadium yesterday.
A.Diana’s car ran over her teacher on the way to the stadium.
B.Diana’s teacher got run over whole she was going to the stadium.
C.Diana happened to meet her teacher while she was going to the stadium.
D.Diana caused an accident to her teacher while she was going to the stadium.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
It is certain that the new cuts will worry the staff.
A.The new cuts are bound to worry the staff.
B.The new cuts will be bound to worry the staff.
C.The new cuts will be certainly worry the staff.
D.The new cuts certainly worry the staff.

Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.
Did he mean to hurt her or did that happen accidentally?
A.(2) is it an accident he hurt her?
B.(3) he was in deliberate to hurt her.
C.(1) did he hurt her on purpose?
D.(4) did he try to hurt her?