Ответ:  Present Simple / Present Progressive

1. The telephone is ringing now.          Present Progressive
  The telephone often rings during the day.  Present Simple

2. Pete usually drinks tea with his meals.       Present Simple
  Pete is drinking tea now.                  Present Progressive

3. Look, the sun is rising now.             Present Progressive
 The sun always rises in the East.       Present Simple

4. It often rains in autumn.                   Present Simple
  It is raining now.                                Present Progressive

Объяснение:

*Present Indefinite = Present Simple

Present Continuous = Present Progressive
**Характерные маркеры времени для Present Continuous: now, at the moment; Look; Listen (действие происходит в момент речи)

***Далее в таблицах

                                                                                     #SPJ1