Supply the correct form of words.
15. It is not to play scissors, knives and small round objects. (safely)
16. Little Star is a teacher. (humor)
17. My classmate sang English songs last night. (beautiful)
18. You must put all the in a cupboard. (chemistry)
19.A fairy changed Little Pea's rags into beautiful clothes. (magic)
20.His of some words is not correct. (pronounce)
please help me, i'm in a hurry, thank you ​