A brilliant idea occurred to him, ___ to his research in the lab.
#67725
A
while devoting
B
while devoting himself
C
while he was devoted
D
while devoted
推荐题目
This machine, ______for many years, is still working perfectly.
#73761
A
after which I have looked
B
which I have looked after
C
that I have looked after
D
I have looked after
It is not immediately clear the financial crisis will soon be over.
#68811
A
that
B
what
C
when
D
whether
This photo of mine was taken__________ stood the famous high tower.
#73371
A
which
B
in which
C
where
D
there
The songs _____ she sang in the concert yesterday sounded _____.
#71888
A
/ ; beautifully
B
that ; wonderfully
C
which ; well
D
/ ; nice
We are bound to solve the present severe problem, ________ we act intelligently and promptly.
#72922
A
even though
B
unless
C
as long as
D
in case