Вставьте верный вариант :1. I cannot make up my ______ what

Вставьте верный вариант :
1. I cannot make up my ______ what to do next.
A. idea
B. thought
C. mind
D. opinion

2. Youve been reading all day. You ____ be tired.
A. must
B. can
C. could
D. need

3. The train ______ arrive in five minutes.
A. is do
B. has to
C. must
D. should

4. The students ______ their essay when the bell rang.
A. wrote
B. had written
C. are writing
D. were writing

5. Im very kind, ____?
A. do I
B. arent I
C. dont I
D. am not I

6. Укажите верный вариант:
A. How much does it costs?
B. It wasnt rain yesterday.
C. What did you do on last Tuesday?
D. When was your brother born?