_____ we choose healthy food for our main meals, we probably still need to exercise now and then.
| A．Unless | B．As though | C．Until | D．Even if |
----Are you happy that your old friend visited you yesterday?
----I would rather he_______. I was so busy then.
| A．didn’t | B．hadn’t | C．hasn’t | D．haven’t |
______sounded unimaginable to everyone present was______ she had managed to finish the task in a week.
| A．What; how | B．It; how | C．It; that | D．What; that |
Rather than ______ home, he always prefers _______ on the street when his parents quarrel.
| A．go; wander | B．going; wander | C．go; to wander | D．to go; wandering |
A great many people paid attention to the ______ race in the sports meeting to be held next quarter.
| A．800-metre-long | B．800-metres-long |
| C．800 meter length | D．800 meters length |
People are talking about the new traffic regulations _______in two months.
| A．to be put on | B．to put on | C．being put on | D．put on |