________!Don't stand close to the machirle．

1. A.
   Look up
2. B.
   Be careful
3. C.
   Look out of the window
4. D.
   Look

________ stand too close to North Americans. Give them more personal space.

A. Aren't        B. Didn't          C. Won't            D. Don't

________ stand too close to North Americans. Give them more personal space.

________ stand too close to North Americans. Give them more personal space

1. A.
   Aren't
2. B.
   Didn't
3. C.
   Won't
4. D.
   Don't