—— Is Jim at home by himself? —— No, there is another boy __________ with him.

It’s time________ lessons. But Lily isn’t in the classroom.

My mother makes me _____ milk every day because she thinks it’s good for my health.

His brother is only six years old. He has difficulty       the story books.

Many students in our class are ______ of the dark, but I am _____ in it.