A.When the light is red, we must stop. |
B.You're welcome. |
C.Thank you. |
D.Remember the traffic rules. |
Yesterday was Sunday. Tom and his friends went to a park. They saw lots of people. And they saw a pool(池塘), too. They were very hot. They wanted to swim in it. "Oh, no!" Tom said. " Look at the board(公告牌) . “Don't swim here! It's dangerous.”
1.Today is Monday.A B
A B
A B
A.and | B.or | C.by |