20 Put the verbs in brackets into the correct tense.

Dear Polly,

I have written from Beijin. I am (be) here with my friend Helen.

We are staying (stay) at a lovely hotel not far from the city centre.

We have been (be) here since 1st August and we already have done (do) a lot of things. Of course, we have seen (see) the Great Wall of China.

We visited (visit) the Forbidden City. We bought (buy) there some beautiful souvenirs.

We came back (come back) on 30th August and I will call (call) you then.

That's all for now. Hope to hear from you soon.

Best wishes,
Kate