it is to jump into a pool or go swimming in a river in summer!

---Andy, _________, it’s time to have breakfast.    ---OK, mum.

-Can you help me? -Yes， your teacher’s advice，in my opinion，and everything will be OK．

______ the pieces of cloth with a loose stitch before finally sewing them together. 

 That hazy（雾霾）weather has hit 104 cities in middle-east China lately makes citizens well aware of ______a terrible problem China is faced with.