It is written clearly in the requirements that all passengers check onto board thirty minutes before the plane takes off.
| A．may | B．can | C．will | D．shall |
Captain Nemo and his guests find themselves___________by colorful rocks、fishes、seashells and plants.
| A．surrounded | B．surrounding | C．was surrounded | D．surround |
The moment she came back from work, she ______ to clean the kitchen thoroughly.
| A．set about | B．set out | C．set off | D．set up |
In the past 50 years, under the leadership of the CPC, the situation of Tibet has___________much better than it used to.
| A．turned to | B．turned off | C．turned out | D．turned into |
________is well known to all that Barack Obama will keep his promise___________he will remove the military forces from Iraq.
| A．As, which | B．It, that | C．What, that | D．It, which |
. He hurried to the station only___________ that the train had left.
| A．to find | B．finding | C．found | D．to have found |