问题
选择题
Mr. Green and Mr. King have taught English at Beijing Sunshine
Secondary School _____ they came to China two years ago.[ ]
A. since
B. as
C. for
D. until
答案
答案：A
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Mr. Green and Mr. King have taught English at Beijing Sunshine
Secondary School _____ they came to China two years ago.[ ]
A. since
B. as
C. for
D. until
答案：A