Only after I read the book _______ why she devoted all her life to medical work forChinese women and children.
#82822
A
I understood
B
had I understood
C
did I understand
D
I had understood
推荐题目
Not until about 2000 BC________________________done.
#84454
A
were known of the oldest paintings
B
the oldest of known paintings were
C
the oldest known were painting
D
were the oldest known paintings
— Have you got any particular plans for the coming holiday? — Yes, _____, I’m going to visit some homes for the old in the city.
#79848
A
If ever
B
If busy
C
If anything
D
If possible
Barry must have visited the Eiffel Tower before，________he?
#79657
A
mustn’t
B
hadn’t
C
hasn’t
D
needn’t
So that all the living things are dying out gradually .
#83052
A
serious polluted the lake is
B
serious polluted is the lake
C
seriously polluted the lake is
D
seriously polluted is the lake
Only in this way to make improvement in the operating system.
#79515
A
you can hope
B
you did hope
C
can you hope
D
did you hope