Your desk is crowded with too many unnecessary things，including used papers and books.You’d better ________ some of them.[ ]

___ the international situation experiences great changes, China and the US have more common interests and shoulder more common responsibilities[ ]

Thank you, Mille and Kitty. It was kind ofyou to help me with my lessons.—- _________.

Are you Jim – _____ , ________. I’m Tom.

Please ________ it up and you’ll succeed ________.