Dad, can I go out to play basketball now ? —– Sorry, you can’t ______you haven’t finished your homework

下列各句中，没有语病的一句是

You’ll have to_____the word in the dictionary.

5.—Have you handed in your schoolwork yet? 　—Yes，I have. I guess it ____ now.

Mary with her parents often ______ a walk in the park after supper.