_____many times, they succeeded _________ the experiment.
#96579
A
Having tried; in doing
B
Tried; in being done
C
Having tried; to do
D
Tried; doing
推荐题目
The mother is very glad; her baby is beginning ______.
#97543
A
understanding what she means
B
to understand that she meant
C
to understand what she means
D
noticing what she means ,
hardly made Allen pay any attention to correcting his mistakes.
#96897
A
scolding
B
To be scolded
C
Being scolded
D
Having scolded
After starting work, Cao spent his evenings _____ in his books and was eventually admitted to a secondary technical school.
#88351
A
burying
B
buried
C
being buried
D
having buried
You are requested at an English evening to be held at the school auditorium on Friday, at 7．00 pm．
#95645
A
be present
B
to present
C
presenting
D
presented
She showed me a red silk dress _____ online, which cost her only 10 dollars.
#96270
A
to be bought
B
being bought
C
bought
D
having bought