1.I've read all the books ¡¡¡¡¡¡¡¡¡¡¡¡you gave me.
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2.There isn't much ¡¡¡¡¡¡¡¡¡¡¡¡I can do.
¡¡A.what¡¡¡¡¡¡ B.which¡¡¡¡¡¡ C.that¡¡¡¡¡¡ D.how
3.He keeps a record of everything ¡¡¡¡¡¡¡¡¡¡he had seen there.
¡¡A.he¡¡¡¡¡¡ B.that¡¡¡¡¡¡ C.which¡¡¡¡¡¡ D.what
4.Tell us about the people and the places ¡¡¡¡¡¡¡¡¡¡¡¡¡¡are different from ours.
¡¡A.that¡¡¡¡¡¡ B.who¡¡¡¡¡¡ C.which¡¡¡¡¡¡ D.whom
5.Mr John said that Suzhou was the first city ¡¡¡¡¡¡¡¡¡¡he had visited in China.
¡¡A.that¡¡¡¡¡¡ B.where¡¡¡¡¡¡ C.which¡¡¡¡¡¡ D.what