Such a problem is＿＿＿＿difficult for a primary school student ＿＿＿.

—I did very well in the English exam last week.
—I did ______. I got a full mark.

—I did very well in the English exam last week.
—I did ______. I got a full mark.

— Stress can be extremely harmful to your health. Exercise, ______, can reduce its bad effects.
— I can’t agree more.

Paper bags produced every year are ______ the world’s production of vehicles.

The new stadium being built for the next Asian Games will be ______ the present one.

There are a small number of people involved，possibly ________ twenty.(2013·江西，26)

Drunk driving used to occur ________ in our city，but now such cases are rare.

There is not much time left，but________we must get there on time.

I cannot thank you ________ much. I might never have been admitted to such a famous university but for you.