. Thank you/ letter/ I receive/ when/ get home/ last night.

=> Thank you for the letter that I received when I got home last night.

2. I/ be/ please/ hear you/ after such/ long time.

=> I was very pleased to hear from you after such a long time.

3. I/ love/ go/ ballet/ with you/ but/ I/ not be free/ until 6.30 p.m.

=> I love going to the ballet show with you but I won't be free until 6.30 p.m

4. How about come/ my flat/ and have/ something/ eat/ before/ go?

=> How about coming to my flat and have something to eat before we go?

5. I/ not want/ take my car/ because/ it be/ difficult/ find/ somewhere/ park.

=> I don't want to take my car because it's very difficult to find somewhere to park.