— Mr Li looks often looks tired and worried? — So he does. You see it’s not easy to           such a big factory.

You’d better _____________ short passages every day.

After a serious illness, he finally _______ how important his health is.   

Go along this street and turn right. Taizhou Library is on your left. You can’t _______ it

The teacher asks us not to _______ the garden in class .