________ good and sweet，this kind of apple was soon sold out in the market.
| A．Tasted | B．Tasting |
| C．Having been tasted | D．Being tasted |
31. They had a desire that I______ their wedding.
| A．attending | B．attends | C．attended | D．attend |
30. They appeared ____ me, so I had to explain to them.
| A．misunderstanding | B．misunderstood |
| C．to be misunderstood | D．to have misunderstood |
29. The _____ of freshwater brought about a lot of difficulties for those living on the island.
| A．short | B．absence | C．lackness | D．existence |
28. 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 |
27. 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. |