Since he didn't know what to say, he remained silent.

He quickly made friends with the new boy on the block.

As I was sick, I did not go to school.

You don't have to tell Tom if you don't want to.

Once you have formed a bad habit, you can't get rid of it easily.

When you do not know if someone really loves you as much as you love him, it is very hard to truly love him.