问题
选择题
— _____ did the important meeting _____?
— For about two hours. [ ]
A. When; begin
B. How long; begin
C. When; last
D. How long; last
答案
答案：D
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— _____ did the important meeting _____?
— For about two hours. [ ]
A. When; begin
B. How long; begin
C. When; last
D. How long; last
答案：D