—Do you ______ my smoking here? —Of course not.
Can you imagine __________ on the earth in the future?
Teenagers would rather ________ phone calls while businessmen prefer ________ emails to communicate with each other.
__________ suggestion he offered! It will be of great help.
_________ of the girls in our school had better achieve a balance between work and play.
Learning English can make _________ to talk with foreigners.