Необходимо выбрать верный вариант1. I didn039;t know what we ... for

Необходимо избрать верный вариант

1. I didn't know what we ... for dinner.
a)shall have
b)are going to have
c)should have
d)have
2. I ... you just now I had never had time for much fun.
a)told
b)had told
c)had been told
d)tell
3. I ... over an important problem and didn't hear your question.
a)was thinking
b)though
c)will be thinking
d)am thinking
4. She entered the classroom to find out if the teacher ...
a)left
b)has left
c)had left
d)will have left
5. I listened and couldn't understand what you ... at.
a)are driving
b)were driving
c)drove
d)have driven