—I doubt if he __________ to the party with us tonight.— I believe if he __________ his homework, he will go with us.
There will _________ robots in people’s homes.
The boy is _______ to look after himself .
—Will people live to be 300 years old? — ______________.
There are about seven ____ students in Grade Eight in Chezhan Middle School.
His mother ____ in a village five years ago.