They _______________ play the piano when they were young
举一反三
- They ______play the piano when they were young.(could/be able to)
- I heard the young girl _______(play) the piano when passing her house in the evening.
- They ______play the piano when they were young.(could/be able to) A: could B: were able to C: was able to D: could/were able to
- When the children were very young, __________.
- When I was young, I _____(play) games with my friends.