There is no doubt _______ he will win.

If she ______ well in her exams, she will go to Beijing University in September.

Here___ ___number of people. ___ number of them___fifty.

Excuse me，Mr. Li,_________ I close windows? It’s cold now.–Yes，you__________

Many students in this school make __________ a rule to come to the evening classes even on Saturdays and Sundays.