Since I knew how hard the life they lead is, I have understood ____ they need so much money

The number of people visiting the exhibition ______ 50, and a number of them ____ painters.

Is Jerry here Mrs Li wants him to go to her office.—No，he________the library.

_____ the new policy, we are now having a happy life

I think my friend Tony is _______to win the tennis game next Monday. [ ]