No one in the department but Tom and I_________ that the director is going to resign.

Huge quantities of information ________available on the internet, but whether the information ________ reliable needs to be further proved.

______visited the Shanghai World Expo is sure to tell you the place is worth visiting twice.

The number of people present at the meeting  _________   about 1000 , a large number of whom _______  experts from abroad.

There_____ a large number of students in the hall, and the number of the students_____ more than 3000.