—Have you found out the telephone number I need?—Yes,but ______,I have sit here for nearly a half hour.
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A
for finding it out
B
to find it out
C
for finding out it
D
to find out it
推荐题目
Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
#93152
A
taken
B
being taken
C
to be taken
D
having taken
The river is said __________ in a fire during the past 10 years. 
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A
to have polluted
B
it has been polluted
C
to pollute
D
to have been polluted