He didn’t agree with me at first but I _____ persuade him.
A: was able to
B: was able
C: could
D: could be able to
A: was able to
B: was able
C: could
D: could be able to
举一反三
- He was able to solve the mystery. He ______. A: could if he wanted to B: could but he didn't want to C: succeeded in solving it D: didn't succeed in solving it
- I _______________ swim a mile easily when I was a child. A: could B: were able to C: was able to D: could/was able to
- I________speak a little English when I was four. A: am able to B: was able C: could be able D: could
- 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
- Only when the new bridge was completed, __________return home for a short rest. A: could he to B: he could to C: he was able D: was he able to