-Wow! This is a marvelous room! You must spend a lot of time and energy in it-_____________________

膀胱肿瘤按TNM分期，下列各期分别代表：Tis________；Ta________________T___________________；T________________；T_____________；T________________；T_____________________。

_______________is a good way for students to stop fights.

A decision must be ______immediately _______stop the factory ______waste water without being treated.

—— Excuse me. You must be Mr. Liu Hua from China?   

—— ___________________

Now the air in our city is _______ than it used to be. Something must be done to stop it.

Keep on. Don’t stop. The ______ you climb, the ______you will see.

— My brother still hasn’t made a decision _______ the new engineering project.

—Look at these tracks. It __________ be a wolf.
   —It needn't be. It __________ be a fox.( )

________the rain stop, the sunflower would be saved.

Anything that is _____ must be attended to immediately.

Everyone must have liked the cake because there wasn’t even a _________ left.