Why are you laughing? –Oh, I’ve just read interesting story.

Do you think twenty people are enough for the work?—No. I am afraid we need at least______ students.

I don’t like vegetables, but my mother .

There are many buses running in the street. Don’t go _____ it.[ ]

Why are you so _______,Amy?—-I thought I lost my purse, but I didn’t. I found it in my study!