They___________ about Russian traditions since the beginning of the lesson.

This is the best conference I ________.

The postman usually __________ at 9 in the morning. It is half past 9 now but he ___________

They__________ the walls and they ___________nice.

The economic situation in the world is already bad and it __________worse.

My sister  __________ her homework now. (to do)

The baby always___________ after dinner. (to sleep)

I __________English exercises twice a week. (to write)

We __________  (not travel) by train very often.

I (not to see) him for ages.

He (to do) his lessons since lunch.

I (to drive) since I was 17.

I (never to hear) that song before.

My friend ________ his homework in the afternoon as a rule. (to do)