So fast ______ that it is difficult for us to imagine its speed.

李老师

So fast ______ that it is difficult for us to imagine its speed.
A. light travel
B. travels the light
C. do light travel
D. does light travel
      满分：2  分
2.  ________ the professor had left, everyone looked relaxed.
A. While
B. After
C. Unless
D. For
      满分：2  分
3.  At least () I play cards with friends.
A. a month twice
B. twice a month
C. twice per month
      满分：2  分
4.  — Won't you have another try? — ______.
A. Yes, I will have
B. Yes, I won't have
C. Yes, I won't
D. Yes, I will
      满分：2  分
5.  Can you distinguish cotton cloth _____ linen?
A. and
B. in
C. with
D. from
      满分：2  分
6.  Hardly ever _____ get a good job th