private cars are bringing us convenience, they may also cause traffic accidents and pollution.
#93055
A
When
B
Since
C
while
D
As
推荐题目
— Why haven’t you asked her to come here?— She _______ an important experiment when I found her and she _______ it.
#92694
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
did; hadn’t finished
No matter how ______，scientists are eager to know more about it by exploring.
#92869
A
an ocean may be deep
B
deep may an ocean be
C
deep an ocean may be
D
may an ocean be deep
—Why don’t you take some exercise? Sitting before the computer is bad for your health. ---________, but I have to finish my work on time.
#94262
A
Sorry, I won’t listen to you
B
I don’t think so
C
Thank you for your kindness
D
It’s none of your business
What difficulty do you have the poor children from the poor village?
#93674
A
helping
B
in help
C
to help
D
helped