1) Could you translate this text?
2) This book can be bought at any store.
3) He could have done it last week - he wasn't particularly busy.
4) He could not show us the calculations because they were not ready.
5) It cannot be that she was mistaken.
6) Have they been waiting for us all this time?
7) It cannot be that you were sent to me - I have nothing to do with this.
8) I was amazed at his youth - it can't be that he was much (?? or a little ??) more than 30.
9) Can I have a cup of tea?
10) He said we can go.
11) I can't help but think that she made a big mistake.
12) I could not help but notice that she was sick.
13) I have no choice but to ask him for help.
14) I had no choice but to ask him to stay.
