If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.
— What do you think of math? — I find difficult to learn it.
We couldn't see the road clearly the heavy snow.
You should take the doctor's , and I believe you will get well soon.
—You are wearing a blue dress.How beautiful it is! —_____________________
The baby is crying. Can you make him _______crying ?