Điền đáp án đúng vào ô trống
Người ta chia đều 19kg muối vào 250 gói. Hỏi mỗi gói có bao nhiêu gam muối?
 
Đáp án :    (g)
A.76
B.
C.
D.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​My brother ………… TV right now because he has to do his homework.
A.don’t watch
B.doesn’t watching
C.doesn’t watch
D.isn’t watching

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Lions ………. in Africa.
A.lives
B.are living
C.is living
D.live

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​You won't find Jerry at home right now. He .......... in the library.
A.studies
B.has studied
C.is studying
D.study

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Archie ……….his computer at the moment.
A.hasn’t used
B.isn’t using
C.don’t use
D.didn’t use

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​We ………. to go to the concert.
A.haven’t wanted
B.doesn’t want
C.don’t want
D.aren’t wanting

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I ………. in the room right now.
A.have been being
B.am
C.am being
D.was being

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Salman is rich - he .......... a Mercedes.
A.is driving
B.drive
C.drives
D.driving

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​When family members share household chores, it is good ………. them as individuals.
A.on
B.in
C.for
D.at

Trong các mệnh đề sau mệnh đề nào đúng?
A.Góc giữa hai đường thẳng là góc nhọn
B.Góc giữa hai đường thẳng bằng góc giữa hai véctơ chỉ phương của hai đường thẳng đó
C.Góc giữa hai đường thẳng $a$ và $b$ bằng góc giữa hai đường thẳng $a$ và $c$ khi $b$ song song với $c$ (hoặc $b$ trùng với $c$).
D.Góc giữa hai đường thẳng $a$ và $b$ bằng góc giữa hai đường thẳng $a$ và $c$ thì $b$ song song với $c$