——Is it my appearance the professor minds?
——I guess not. He will consider necessary to have an experienced assistant.
A. which；it
B. that；it
C. which；that
D. that;that
网友回答
A. which；it
(答案→)B. that；it
C. which；that
D. that;that
解析： 本本题考查强调句及it作形式宾语。第一句考查强调句，强调宾语my appearance;第二句it作形式宾语，真正的宾语是不定式to have an experienced assistant。