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

There ________some juice and some cakes on the table.

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

Having ________ every night is very important for your health.

Everyone except Tom and John ________ there when the class began.