Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There should be an international law against ________.
A.afforestation
B.deforestation
C.reforestation
D.forestry

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My parents, on the other hand, believe family members ______ share the chores.
 
A.ought
B.should
C.need
D.have

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You ______ show respect for the elderly.
A.have
B.need
C.ought
D.must

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Our teacher is so strict. We ______ forget to do our homework.
A.needn’t
B.mustn’t
C.may
D.must

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Look! She is laughing. She______ something funny or happy.
A.can’t have had
B.must have had
C.must be having
D.could have had

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
It is hot in here. ______ you open the window a bit, please?
A.Should
B.Might
C.Could
D.Must

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You should also show your mother that you are ______ and mature.
A.respond
B.responsibility
C.response
D.responsible

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I know what you mean. You ______ explain further.
A.won’t
B.needn’t
C.mightn’t
D.mustn’t

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Your diving equipment ______ regularly if you want to keep it in good condition.
A.must be cleaned
B.may be cleaned
C.can clean
D.can’t be cleaned

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My grandpa, who is a conservative person, thinks that I ______ to get a job in a state-owned organization after university.
A.must
B.shouldn’t
C.ought
D.should