A meeting was held ______ those who lost their lives in the fight against SARS.
| A．in honor of | B．in praise of |
| C．in case of | D．in face of |
The telephone rang at midnight, but it stopped ______ I could answer it.
| A．when | B．that | C．before | D．since |
The radiation amount of a mobile phone for two half-hour periods per day is equal to ___ to an X-ray for ten seconds.
| A．expose | B．exposing | C．exposed | D．being exposed |
If only he _____ to send that letter to my grandpa, my grandpa will come to help me. Look, I’m so helpless now.
| A．remembered | B．remembers | C．has remembered | D．had remembered |
______ he realized it was too late to return home.
| A．Not until dark | B．It was until dark that | C．It was not until dark that | D．It was dark that |
Several of the off-shore islands are ______ , now that we have a motor boat.
| A．available | B．accessible | C．convenient | D．achievable |