you may have , you should gather your courage to face the challenge .
These natural parks are very important for preserving many animals, which would _______ run the risk of becoming extinct.
People are always on the go , so they spend their weekend on housework .
On the third floor there are two rooms, _____ is used as a meeting-room.
—Are you satisfied with her work, sir? —Not at all. It couldn’t be any _______.
—You know our manager has been in hospital for days?—Yes.I wonder if he is ___ better now.