1. karen (pack) her suitcase by the time you called her. 2. they (study) this document for 2 hours before the meeting started. 3. they (watch) a carnival for 2 hours before the mobile phone rang.

1) had packed

2) had been studying

3) had been watching

tall

thin

active

thick

oval

1. it is too cold to play tennis it is not warm enough to play tennis 2. there are only a few squash courts in this town. there are not too many squash courts in this town.

there are not very many squash courts in this town- грамматически неверно.