Rươi sống ở môi trường:
A.Nước lợ.
B.Nước ngọt.
C.Trong đất.
D.Trên cạn.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in the following question.
Chemical engineering is based in the principles of physics, chemistry, and mathematics.
A.principles
B.in
C.mathematics
D.chemistry

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We would save thousands of lives if we ______out the remedy for the flu.
 
A.had not found
B.will find
C.find
D.found

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
If it _______ convenient, let’s meet at the park.
A.will be
B.was
C.is
D.would be

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You______ if you take a map.
A.would get lost
B.won't get lost
C.would have got lost
D.will get lost

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I'll pay you double _______ you get the work finished by Friday.
A.if
B.unless
C.provided
D.supposing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I know I'll feel better if I_____ smoking.
 
A.had stopped
B.stopped
C.stop
D.will stop

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in the following question.
Building thousands of years ago, the ancient palace is popular with modern tourists.
A.ago
B.Building
C.popular with
D.the ancient

Điền đáp đúng vào ô trống
Một hình chữ nhật có chiều dài bằng 9cm và diện tích bằng 72cm$^2$.
Chiều rộng của hình chữ nhật làcm.
A.8
B.
C.
D.

Điền nội dung còn thiếu vào bảng:
Chiều dài (cm)
5
10
12
Chiều rộng (cm)
3
4
6
Diện tích hình chữ nhật (cm$^2$)
15
Chu vi hình chữ nhật (cm)
16
A.40
B.72
C.28
D.36