— Mike, what did our monitor say just now?—Every student as well as teachers who are to visit the museum _____ asked to be  at the school gate before 6:30 in the morning. 

 How many countries ________ the European Union made up of, do you know?

Not only I but also Jane and Mary _______ tired of doing the same thing all the time.

I, who ______ your close friend, will try my best to help you out of trouble.

Above one third of the population in Beijing and Shanghai      netizens, but in poorareas, only three or four percent        online.