_______ honest boy he is ! We all like him. 

---________ cold weather!---Yes, it is. You should wear warm clothes.

—Look! That teacher is explaining something to her students again and again!—_______teacher she is!

—______ bad weather! We can’t go for a picnic because of the rain today.—I hope it’ll stop soon.

Look at the smog (雾霾).           bad weather it is!