____ several times, the young scientist still kept on doing his experiments.
#92897
A
Having failed
B
Having been failed
C
Failed
D
To fail
推荐题目
– You seem to have made another decision.---You are right. I am considering ________. California , you know, is my first choice.
#97351
A
to move out
B
getting out of here
C
to move my house
D
moving family
The plan to be carried out next month needs________among the members of the labor union before________.
#91334
A
to discuss；carrying out
B
to be discussed；carried out
C
discussing；being carried out
D
discussed；to be carried out
The secretary worked late into the night, ________ a long speech for the president.
#88372
A
to prepare
B
preparing
C
prepared
D
was preparing
The science of the library is sometimes broken by a sudden cough or the sound of pages _______.
#88526
A
turning
B
turned
C
being turned
D
having turned
The students ________ from the whole class are expected to bring us honor in this school sport meeting.
#90773
A
selecting
B
selected
C
to select
D
having selected