Preposition

16.Simon was extremely happy___his new computer

A.about
B.Of
C.From
D.For

17.She is so anxious ____ her elderly mother that she cant sleep well.

A.At
B.For
C.With
D.By

18.This song reminds me ____ my graduation day.

A.Of
B.On
C.In
D.At

19.She's ____ her way home.

A.About
B.Off
C.On
D.To

20.According____ this recipe, you must put the cake in the oven for 30 minutes

A.On
B.TO
C.At
D.By​