---What is that? Is it an English learning machine?---Yes. It ________ us to improve our English.A. is used for helping B. used to help C. used to helping
He’s still not understood by his close friend although he has said sorry to him, _________?
He is __________ than any other student in his class.
---What’s the matter? --- I have stomachache. Maybe I have eaten _____________ tonight.
Either Eve or Herb ___________ been invited by Lucy’s parents already.
---Will you please ___________ it to me on Friday? ---What about Saturday? My computer doesn’t work well these days.