The Nile River ____ flood large areas but now the water ____ produce electricity.
#92177
A
used to; is used to
B
used to; used to
C
was used to; is used to
D
was used to; used to
推荐题目
Jack is a great talker.It's high time that he ________ something instead of just talking.(2012·辽宁)
#91917
A
will do
B
has done
C
do
D
did
—What do you think of Tom? —He has been working very hard. ______ he is an advanced worker.
#93431
A
No wonder
B
No doubt
C
No worry
D
No problem
—Did Peter fix the computer himself?—He _______,because he doesn’t know much about computers.
#94672
A
has it fixed
B
had fixed it
C
had it fixed
D
fixed it
The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
#92469
A
have occurred
B
occur
C
have been occurring
D
be occurring