3.
请你把下面句子中的错误选出来,并改正。
( ) 1. How much pens are there in your bag? ________________
A B C
( ) 2. — What are these? — They're boxs. ________________
A B C
( ) 3. — Where's Tom's picture? — It's on wall. ________________
A B C
( ) 4. — What's day is it today? — It's Tuesday. ________________
A B C
( ) 5. The cat on the tree is small. ________________
A B C