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
It knowledge is power, ____Sir Francis Bacon wrote in 1579, ______ perhaps creativity ca be described as the ability to use that power.
#72074
A
what; and
B
as; then
C
which; and
D
that; then
The question came up at the meeting _______ we had enough money to change the environment
#68552
A
that
B
what
C
whether
D
which
He tried his best to solve the problem, _______ difficult it was.
#67486
A
whatever
B
however
C
whichever
D
wherever
The potato is a plant ____ in places ____ it is too cold to grow some other plants.
#73856
A
grown; where
B
to grow; that
C
growing; where
D
grown; that