讀一讀,判斷句子表述是(√)否(×)正確。
(     ) 1. The traffic lights have three colours.
(     ) 2. Red is stop and yellow is go.
(     ) 3. When (當(dāng)……時(shí)) the traffic light is blue, you can go.
1. √  2. ×  3. ×
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

同步練習(xí)冊(cè)答案