Exercise 1
Put the verb between brackets in the correct tense. Use the present perfect continuous
when possible, and use the present perfect simple elsewhere:
1. I.
... (lose) my key. Can you help me look for it?
2.
(read) the book you gave me, but I
... (not finish) it yet.
3. "Sorry, I'm late !" - "That's all right. I
.. (not
wait) long."
4. I.
... (clean) the windows. So far I
. (clean) five of them. There are only two more to do.
5. There's a strange smell in here.
.. (you / cook)
something?​