4. I'm not sure whether Julia will be there or not
A. Julia doesn't have to be there
C. Julia can't have been there
B. Julia may not be there
5. It is unnecessary for you to finish the report until tomorrow afternoon
D. Julia might not have been there
A. You needn't finish the report until tomorrow afternoon.
B.You have to finish the report unitl tomorrow afternoon.
C.You may finish the report after tomorrow afternoon.
D. You should finish the report until tomorrow afternoon
6. The last time I saw her was three years ago.
A. I have not seen her for three years.
B. About three years ago, I used to meet her.
C. I have often seen her for the last three years.
D. I saw her three years ago and will never meet her
7. Tom said: "Why do you keep staring at me, Janet?"
A. Tom asked Janet why did she keep staring at him.
B. Tom asked Janet why she keeps staring at him.
C. Tom asked Janet why she had kept staring at him.
D. Tom asked Janet why she kept staring at him.
8. Don't be so rude to people:
A. You don't have to be so rude to people
C. You shouldn't to be so rude to people
9. Don't bother to lock the door
A. You needn't bother to lock the door
C. You can't have bothered to lock the door
B. You needn't be so rude to people
D. You mustn't be so rude to people
B. You mustn't bother to lock the door
D. You mightn't have bothered to lock the door