According to the passage, what did small children do when they were asked to count a pile of red and blue pencils A: a. They counted the number of pencils of each color. B: b. They guessed at the total number of pencils. C: c. They counted only the pencils of their favorite color. D: d. They subtracted the number of red pencils from the number of blue pencils.

你告诉妈妈，你的文具盒里有5支铅笔，你会说： A: I've got four pens in the pencil-box. B: I've got five pencils in my pencil-box. C: I've got four pencils.

Here ______ his new pencils.

I want ______ pencils, please!

Are these ____(you)pencils? Yes, they are ____(our).

Whose pencils are there? They’re ＿＿. A: mine

-Are these ____ (you) pencils?-Yes, they are ____(our).

--Are these ________（you）pencils?--Yes, they are ________（our）

There (be) ______ nothing but two pencils in the box.

Three pencils cost the same as two erasers. Four erasers cost the same as one ruler. Therefore, pencils are more expensive than rulers.