It was in this city ______ he was born.
 It was this city ______ he was born.
 It was in 1989 ______ he was born.
 It was 1989 _____ he was born.
A. where B. which C. that D. when
 In my eyes, _______ is known to all _____ Chinese economy has taken
 ______ is known to all, Chinese economy has taken off.
 I took some medicine for the bad cold, but _____ didn’t help.
 I took some medicine for the bad cold, ______ didn’t help.
 I find ______ is a pity that he failed in the driving test.
A. which B. that C. it D. As
答案： CB  D  C  A  C
 ______ is no doubt that China plays an important role in the world
 ______ is no/little wonder that Liu Xiang is a flying man in the
 ______ is no point in working on his PhD.
 ______ is no knowing where she is now.
A. There B. That C. It D. This