问题
选择题
—Do you know the scientist _ Stephen Hawking?
—He is a disabled man, but he is very famous and successful. [ ]
A. call
B. called
C. calls
D. calling
答案
B
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—Do you know the scientist _ Stephen Hawking?
—He is a disabled man, but he is very famous and successful. [ ]
A. call
B. called
C. calls
D. calling
B