They ____two free tickets to Canada , otherwise they had never been able to afford to go .
| A．had got | B．got | C．have got | D．get |
In order to find the missing child, villagers _______ all they can over the past five hours.
| A．did | B．do | C．had done | D．have been doing |
Many people prefer large cars, __________________large cars are safer than small ones.
| A．thinking | B．to think | C．think | D．having thought |
— Who is absent from the lecture today?
—_____________you ask? Peter, of course.
| A．Would | B．Can | C．Could | D．Need |
— Finished?
— No, I’ve got __________________three questions to answer.
| A．other | B．another | C．these | D．those |
Brian was about to_______________ when he suddenly found an answer to the question.
| A．make up | B．look up | C．turn up | D．give up |