We ________________ (miss) the buss twice this week.

Somebody _____________ (eat) my cookies. There are very few left.

I ________________ (see) Judy for more than five years and during that time I ________________ (see) many changes in her personality.

How long ________________ (she wait) for us?

John ________________ (work) for the government since he graduated from Harvard University. Until recently, he ________________ (enjoy) his work, but now he is talking about retiring.

They _____________ (travel) for months and they _____________ (visit) three countries so far.

They ________________ (not work) since 5 o'clock. They just started an hour ago.

I _____________ (wash) the windows all day without any help! Two more and I can have a rest.

I _____________ (read) all afternoon. I _____________ (read) five chapters!

He ________________ (not speak) on the phone for half an hour, just a couple of minutes..

Bob ________________ (run) ten kilometres.

How many books _____________ (she - write)?

She ________________ (hang) up all all the pictures yet.