问题

I think skiing is______ great fun. What _____fantastic time we are having!
A:a, a
B:/, a
C:/,/
D:/, a;
B:/, a
C:/,/
D:/, a;
正确答案是:
同类题型
Bill, will you get me the dictionary on that shelf, please— I’m afraid I can’t _______ it, Daddy.
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What do you want to be in the future, Bill—I want to be ______ fashion designer.
He is known _____ a scientistand famous _____ his research on rice.