Exercise on Present Perfect Tense - answers
- She has eaten all the tort that was left.
 - He has done more harm than good.
 - She has bitten her lips.
 - Where have they hidden their documents?
 - I have known about it since yesterday.
 - The wild geese have flown away.
 - The two sisters have grown apart.
 - Somebody has stolen my mobile.
 - The river has frozen and we can cross it easily.
 - We have sung for over two hours.
 
