In the experiment we kept a watchful eye __________ the development and recorded every detail.
#105015
A
with
B
on
C
for
D
to
推荐题目
Many single parents with the dilemma of dividing time between work and children。
#105244
A
struggled
B
caught
C
trapped
D
placed
I don’t know why he ________ in the middle of a sentence.
#105118
A
broke off
B
broke out
C
broke down
D
broke up
Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.
#105067
A
is
B
was
C
has been
D
had been
Suddenly he ____________his mother in the crowd and ran to her .
#105214
A
lost sight of
B
caught up with
C
caught sight of
D
in sight of
The past 30 years has ______ the great changes that have taken place in China.
#105211
A
seen
B
noticed
C
watched
D
looked