Read and distinguish the sound of the underlined part

stockings　　past　　step　　　top　　envelope

mamma　　long　　marker　　sir　　medicine

circle　　　marsh　person　　return　egg

skirt　　tent　　dog　　lock　　market

(1)发/&/音的有：lock __________________

(2)发/+:/音的有：sir __________________

(3)发/-/音的有：step __________________

(4)发/%:/音的有：past __________________

Little commander, give the orders（小小司令员，请你发命令）

Stand up.

Little commander, give the orders（小小司令员，请你发命令）

Kick a ball into a box.

Find and write the words

spoon stair station strong strange

street speak stop Spain stamp

发[KC]音的单词有：________________

发[KCT]音的单词有：________________

发[KA]音的单词有：________________