Clothes made of silk ________ softer than those made of cotton.

The traffic was busy on our way to the train station, _____ we caught the train on time at last.

I thought Father would be better, but _______it is, he is getting worse, which makes me more worried.

Can you______ the TV a little Your brother is doing his homework．

I _________ stay up late. —Really I didn’t. ButI ______ working in the night.