Present Perfect vs. Past Simple

1.      I don’t believe it! Somebody _____________ (eat) my chocolates! They’ve nearly all gone!

2.      The children __________ (watch) videos all morning. Their eyes are red now.

3.      She ___________ (read) that book since 7A.M.

4.      He ________ (write) a novel about time travel. I saw it in the bookshop.

5.      Yesterday, my brother __________ (give) me two tickets to the concert.

6.      They_________ (live) in London since 2004.

7.      We___________(not/get) home until very late last night.

8.      She ____________ (finish) her morning jog just now. That’s why she looks quite sweaty.

9.      ______________ (she/play) tennis when she was young?

10.  They_____________(wait) for hours. If the boss doesn’t arrive soon, they will leave.