—I just wonder       that made Mark Twain so famous a writer.—Of course his early experiences.
#85507
A
it was what
B
what he did
C
how he did
D
what it was
推荐题目
It was ___ he came back from school today ___ he found his new book missing.
#85291
A
when; then
B
not; until
C
not until; that
D
only; when
It was ten years ago ______ that organization was _______. 
#84887
A
when; set up
B
that; founded
C
when; founded
D
that ; came into being
----- It was at that moment_________ her appointment with the doctor.
#85272
A
when she remembered
B
that she remembered
C
did she remember
D
and she remembered