Students should_____their own interests as well as do their schoolwork.

翻译：We would like to in form you that at prese nt we can supply you with various ki nds of me n's leather shoes.

The furniture in her bedroom is quite different from ________ in the living room.

Water is composed _______ hydrogen and oxygen.

英语翻译：我希望我的书将阐明我们面临的复杂问题。