用括号中单词的适当形式填空
【小题1】Good habits are good for the _________（develop）of us teenagers.
【小题2】Some people won't ask others for _________（direction），even though they may get lost.
【小题3】We should wash clothes by _________（hand）.
【小题4】Every day，_________（thousand）of people come to visit the park.
【小题5】Have you _________（hear）from your parents yet？