I don't know _______ the coat _______ cheap enough.
A. if, is
B. where,were
C. that ,was
D. if, were
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He said that they _______ Yunnan
A. have been to
B. had gone to
C. have gone to
D. has gone to
Jack isn't sure _______ students there are in his class.
A. how many
B. what
C. which
D. whether
Can you tell me _______ yesterday?
A. what they do
B. what they did
C. what do they do
D. what did they do
I want to know _______ his homework yesterday evening.
A. if he finished
B. whether he had finished
C. had she finished
D. has she finished
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