____seems very hard to reach the top of the mountains.

---Excuse me, I want to buy some food. Where can I find a supermarket？ ---I know _____ not far from here. You can easily find ________.

 --How much ________the red socks? --________6 dollars.

— _______ does Tom like math? —Because _____ fun.

I found ____ hard to get out of bed on cold winter mornings.