_____you have to do the job, you should try your best to do it well even though it may be very difficult for you.
| A．Since | B．While | C．Unless | D．Though |
— Why do we get up so early?
— If we ______ the flight we would have to stay here for another day.
| A．will miss | B．miss | C．missed | D．would miss |
Pointing to the hospital on ______ roof there is a parking garage, Granny told me that was _____ I was born.
| A．whose; what | B．which; what | C．which; where | D．whose; where |
—People often don't appreciate what they have, do they?
—No, _________ they lose it.
| A．if | B．after | C．until | D．when |
— Have you watched Gravity, _______ the best film in 2013?
—Yes. It is a survival story _________ in space.
| A．considered; setting | B．considered; set | C．considering; set | D．considering; setting |
— Linda looks happy. She must have performed well at the job interview yesterday.
— But in fact she _______.
| A．have | B．did | C．haven’t | D．didn't |