In the advanced course students must take performance tests at monthly ____.A) gaps B) lengths C) distances D) intervals

A. gaps
B. lengths
C. distances
D. intervals

Some companiesmight not let you rent a car ______ you have a credit card. A) where B) because C) since D) unless

A. where
B. because
C. since
D. unless

As a result of his hard work, he has gained ______ to the Beijing University.A) admission B) commitment C) opportunity D) reward

A. admission
B. commitment
C. opportunity
D. reward

24. We’ll have tocontinue the discussion tomorrow__________we can make a final decision today.A) unlessB) becauseC) whenD) since

A. unless
B. because
C. when
D. since

Excuseme，do I have to pay in cash?

A. See you later.
B. Nice to meet you.
C. Yes, of course.
D.Sorry to hear that.

1.But one of the most telling lessons Ellen and I got in the difference between Chinese and American ideas of education came not in the classroom but in the lobby of theJinlingHotel where we stayed in Nanjing.

2. He probably got as much pleasure out of the sounds the key made as he did those few times when the key actually found its way into the slot.

3. I soon realized that this incident was directly relevant to our assigned tasks in China: to investigate the ways of early childhood education (especially in the arts), and to throw light on Chinese attitudes toward creativity.

4. 我的中国同行，除了少数几个人外，对此事的态度与金陵饭店工作人员一样。

5.但关键在于，在这个过程中，我们试图让本杰明懂得，一个人是能够很好地自行解决问题的。