To succeed in a scientific experiment _____ .
#98179
A
carefulness is need
B
carefulness is one needs
C
one needs to be careful
D
one need being careful
推荐题目
They would not allow him ________ across the enemy line.
#98787
A
to risk going
B
risking to go
C
for risk to go世间
D
risk going
He observed a stranger _______ around the store at 12 p.m. last night.
#97199
A
to hang
B
hang
C
hanging
D
to be hanging
_____ the right kind of training, these teenager soccer players may one day grow the international stars.
#91573
A
Giving
B
Being given
C
To give
D
Given
Several months later, he found his deskmate very difficult _______.
#96570
A
to get along with
B
getting along with
C
to get along
D
to be gotten along with
After chatting online for along time, Mary looked up, ＿＿that it was 11：00 pm, long past her usual bedtime.
#90743
A
to see
B
saw
C
seeing
D
seen