How can I _____ you, Mr. Green？
| A．contact | B．contact with |
| C．contact to | D．contact for |
They appeared ____ me, so I had to explain to them.
| A．misunderstanding | B．misunderstood |
| C．to be misunderstood | D．to have misunderstood |
The _____ of freshwater brought about a lot of difficulties for those living on the island.
| A．short | B．absence | C．lackness | D．existence |
The Chairman thought ______ necessary _____ Professor Smith to speak at the meeting.
| A．that; to invite | B．this ;inviting |
C．it; to invite | D．him; inviting |
The problem he put forward at the meeting was _____. Which one of the following is “WRONG?”
| A．worth thinking over | B．worthy to consider |
| C．worthy of being thought over | D．worthy of consideration. |
Don’t all speak at once! _______ please.
| A．One by one time | B．One for each time | C．Each at one time | D．One at a time |