________ great progress Little Jack has made! He made ______ few careless mistakes in the final. 

         difficult questions the teacher is asking! Only a few students can answer them!

 —______weather! Shall we go to the park?    —_____. Let’s go.

— ________ fine weather it is today!— Let’s go for a picnic.

—Have you heard of the songs sung by the first lady---Peng Liyuan?—Of course! ___________ beautiful voice she has!—I agree.