Can / could - exercises

Write: can, can't, could, couldn't

01.- I drive a bus now
but I when I was sixteen.
02.- He go out last night
03.- How I have been so silly
when I was a teenager.
04.- Birds and bats fly.
05.- We did the best we .
06.- In 1870 we listen
to the radio, but now we .
07.- I play golf tomorrow.
08.- There was nothing
we do for you.