—What is special about your father? ---His dishes are ______in the world.

As students, we must study hard, because ___________ we study, ________ grades we’ll get.

I had to call a taxi because the box was ______ than I’d expected.

There will be         cars in the future in Jinan, so it will be harder to drive in the heavy traffic. 

---Doctor , I’m getting ________. --- Well , you’d better eat ______food.