I've broken my arm, so I _________ play tennis at the moment.
couldn't
Some babies _________ swim before they _________ walk.
can; can
I _________ hear what you're saying. The music is too loud.
can't
My mother says I _________ walk when I was one year old,but I _________ when I was two.
couldn't; could
A: _________ you cook？ B: No, _________.
Can ; I can't
A: ride a bike / when you were five? B: Yes, I _________.
A: Could you ride a bike when you were five? B: Yes, I could.
A: swim / when your sister were three？ B: Yes, she _________.
A: Could you swim when you were three？ B: Yes, she could.
A: you/ speak more than two languages？ B: No, I _________.
A: Can you speak more than two languages？ B: No, I can‘t.
A: your son/ play basketball？ B: Yes, he _________.
A:Can your son play basketball？ B: Yes, he can.
A: your parents / drive？ B: My mother _________, but my father _________.
A: Can your parents drive？ B: can; can't.
