1.---Have you ever been to the Water Cube in Beijing?
---No,but I've seen them____TV quite often
A on theB in theC with D on
2.--What do you think of the book A HAW TREE written br a woman
writer?
----It reminds me of the days______I spent in the countryside.
A whenB thatC whoD where
3.---Youwere out when I dropped by your house?
----oh,I_____for a friend from England at the airport
A was waiting B had waitedC am waiting D have waited
拜托请说明原因，有追加分
