连线
A.(1) Don’t turn right if you see this sign. |
B.(2) If you see this sign, you must stop. |
C.(3) You must look right before you cross the road. |
D.(4) Don’t touch the door. |
连线
A.(1) Don’t turn right if you see this sign. |
B.(2) If you see this sign, you must stop. |
C.(3) You must look right before you cross the road. |
D.(4) Don’t touch the door. |