1. I am not sure whether I want to take this course；_______________（我第一周可否旁听）to see if I like it？

2. The police are on the trail of new evidence _______________（希望能有助于该案的处理）.

3. The volume of trade between the two countries，as is reported，________________（增长了三倍多）.

4. My question is _______________（谁将接任该基金会主席职位）.

5. He looks honest，but ________________（外表有时是靠不住的），aren’t they？

长喜模拟题6：
1. ______________（很少有人不抱怨工作单调乏味），but they will feel more bored if they do not work.

2. Henry has prepared a party for his girlfriend，______________（结果却被告之她到时候不能来了）.

3. The chief reason for the population growth is ______________（与其说是出生率的上升，还不如说是死亡率的下降）.

4. True friendship foresees the needs of others ______________（而不是声明自己的需求）.

5. Although I liked the appearance of the house，_____________（真正让我决定买下它的）was the beautiful view through the window.