More Sentences

We are not sure if the store is open.

I wonder if it will rain tomorrow.

He wants to know if she can come.

My mom asked if I finished my homework.

Please check if the door is locked.

I don't know whether she is busy.

She wondered whether he was telling the truth.

Please tell me whether the meeting has started.

He asked whether I wanted some juice.

She wasn't sure whether she had the right answer.