Answer: C) Can't
Explanation for this question is being written.
Answer: B) Could
Answer: B) Ability
Answer: C) Could
Answer: D) Can
Answer: E) Expressing a general ability in the past.
Answer: B) Couldn't
Answer: A) Can't
Answer: A) Will soon be able to.
Answer: A) A-can
Answer: A) Leave
Answer: A) Won't be / buy.
Answer: A) Can
Answer: C) Will be able to.
Answer: C) Couldn't
Answer: A) My brother can play the guitar well.
Answer: D) Were able to.
Answer: A) It can't be David. I think he's at home.
Answer: D) I can drive a car 2 years ago before got accident.
Answer: B) Can't
Answer: D) She can hardly wait for the concert.
Answer: A) She can swim very well.
Answer: C) Can
Answer: D) Couldn't
Answer: C) Yes, he can.
Answer: A) Ability
Answer: B) Will be able to.
Answer: D) Wasn't able to.
Answer: B) Can
Answer: A) Could, could not.
Answer: A) Speak
Answer: C) C