Excuse me, where are we going to have our class meeting?—I’m not sure. Ask Li Hua, please. He _________ know.

The boy is ____ young to join the army (参军). [ ]

There are 40 boys here. Some are from China, _______ are from Japan.

Don’t forget ___________ an umbrella ___________ you. It’s going to rain.[ ]

I’m expecting a pet dog for long，but mom has no time to buy _________ for me．