—Don’t read ______ the sun because it’s bad _____ your eyes.—Oh, thank you.A. under; at B. under; for C. in; for
All the children should be helped when they are ______. They should also be treated with ______.
The old man is ______ weak ______ say any words.
We should try our best _______ poor children _______ clean water and food.
You’d better go out for a walk instead of _______ in your bed.
____________ is enough money to carry on with our work.