Dear Ann,

I __________ ( receive ) your letter about two weeks ago

and ____________ ( try) to find time to write you back ever since

I _____________ (be) very busy lately.

In the past two weeks , I ______________ (have) four tests, and I have another test next week.

In addition , a friend ______________ ( stay) with me since last Thursday.

She wanted to see the city , so we ____________ (spend) a lot of time visiting some of the interesting places here .

We ____________ (be) to the zoo , the art museum , and the botonical gardens

Yesterday , we _____*?*______ (go) to the park

and __________ (watch) a balloon race.

Yesterday , we *went* to the park

and _____*?*_____ (watch) a balloon race.

Between shoving her the city and studying for my exams , I ___________________ ( have , barely) enough time to breathe

Right now it ____*?*_______ ( be) 3. a.m and I ________________ (sit) at my desk

Right now it *is* 3. a.m and I ______*?*__________ (sit) at my desk

I ______________ (sit) here five hours doing my studying

My friend's plane _____________ (leave) at 6.05

so I ____________ ( decide) not to go to bed.

That's why I _______________ (write) to you such an early hour in the day.

I _____________ (get) a little sleepy , but I would rather stay up .