_______ is popular in China.
What ________ they going to do tomorrow? A.beB.areC.is
—________ are you going? —This afternoon. A.WhatB.WhereC.When
I want to buy ________ shoes. A.a pair ofB.pair ofC.two pair of
I'm going to ________ a science teacher one day. A.doB.beC.is
Amy ________ going to read books. A.isn't B.aren't C.am not