—Do you believe there are aliens?—I’m afraid not.I don’t think aliens________in space.A.can findB.can be foundC.can’t be found
My family is a big one. What about_______?
There is only one apple here. Would you like to have_______?
_________the door, please. -Come in, please. The door_______.
__________late for school again?
She doesn't take a bus_______ home, but she takes a bus_______ school.