--- Is your brother going to Jack’s birthday party tonight?
---I am not sure. He __________ go to a concert with his girlfriend instead.
A. might B. has to C. ought to D. must
It took a long time for the effective use of natural gas_________.
A. to be made B. to make C. being made D. making
At the beginning of the 20th century, many people thought that the family was falling apart--- _______, they thought it was dying.
A. on the other hand B. for another
C. in other words D. in addition
Although the couple didn’t choose to sleep in the wild instead of in the hotel, it_______ unexpectedly beautiful.
A. turned up B. turned out C. turned down D. turned around
She was over the age limit and ________, her application for the job was rejected.
A. as a result B. in conclusion C. worse still D. what’s more
After five years of preparation, Shanghai is presenting the world _______ many say is the greatest Special Olympics.
A. when B. what C. where D. which