—I h_________ go to bed before midnight.

—I think that's too late and it's not good for your health.

If Mary is not well enough to do the work, let me do it i_________.

—What's the b ________ hours of that supermarket?

—8: 30 a. m. —9:00 p. m.

—Where is Ted?

—I guess he is hiding b_________ the big tree.

Peter is a b________ boy and he learns quickly.

The more dirty water the factory pours into the river, the w___________ the environment nearby will be.

Please c__________ those exercises down from the blackboard so that you can do them after school.

Father got up late this morning and m____________ the 6:00 train.

May 12 is the international N___________ Day. Let's say “thanks” to them for their work in their fight against SARS.

Tina is a little w___________ in science, but she is good at Chinese and English.