Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.
| A．among | B．beneath | C．beyond | D．opposite |
This is the first time that I _____ the summer palace．
| A．had visited | B．have visited | C．visit | D．visited |
—Excuse me, could you tell me where the post office is?
—__________, but I’m a stranger here．
| A．I’m not sure | B．I’m sorry | C．That’s right | D．I’m afraid not |
He may not even drink water at night, _______ swallowing insects possibly floating on the surface．
| A．in case of | B．for fear of | C．for the sake of | D．in line with |
I clean my room once a week, and the job _____ me two hours．
| A．costs | B．takes | C．pays | D．Spends |
—Wow! You’ve got so many clothes．
—But _____ of them are in fashion now．
all B．both C．neither D．None