3. Choose the most appropriate answer: A, B or C.
I ...... remember his name.
A.am not able to
B.can't
C.red herring
2. You'll be able to solve this, ....?
A.can you
B.won't you
C.will you
3. Diana ... the piano.
A. can play
B.can to play
C.eats
4.Sorry, Teacher. I ... do it yet.
A.wasn't able to
B.couldn't
C.haven't been able to
5. She ... come on holiday next month if her parents give her permission.
A.can't
B.could
C.will be able to
6. He ... pasa the exam if he studied harder.
A.will be able to
B.can
C.would be able to
7. They ... go The weather was too bad.
A.couldn't
B.can't
C.wasn't able to​