根据图片提示,选择相应的连接句,将句子补充完整。
A.but it starts to rain |
B.but it starts to snow |
C.but the bell rings |
D.but it gets too cold |
(______)1. I’m going swimming, ___________.

(______)2. He’s walking in the park, ___________.

(______)3. Tony and Jack are playing football, ___________.

(______)4. We are having a party, ___________.
