I think the ______ (four) lesson is the most difficult in this book.
A、It'sinthecar
B、Theyarehere
C、Thereare
D、Hereare
( )Look! Some meat ____ in the box. Some apples _____ in the basket.
A、are，are
B、is，is
C、are，is
D、is，are
— How many computers _____ in your classroom?
—There are two .
A、arethere
B、areyouhave
C、doesyouhave
()There are _____ on the table.
A、twobottlesofmilk
B、twobottlesmilk
C、twobottlesofmilks
D、twobottleofmilk