помогите поставить глагол в правильном времени: Present Simple or Present Continuous I...

Question

помогите поставить глагол в правильном времени: Present Simple or Present Continuous

I always (look) forward to spring.

I (write) this letter to you while the children (play) on the beach.

This carpet (cost) only 30 dollars.Why not buy it?

Answer 1

I always look forward to spring.

I am writing this letter to you while the children are playing on the beach.

This carpet costs only 30 dollars.Why not buy it?