用is或are填空：
（1）There ______ some rulers in the schoolbag.
（2）There ______ an apple on the table.
（3）There _______ some milk in the glass.
（4）There _______ three boys in the playground.

( ) _________ a lot of water in the bottle.
A. There is B. There are C. There be

( ) A: Where are the toys?
B: __________ on the bed.
A. It’s B. There are C. They are

( ) When the three bears in front of Goldilocks, she is ____________.
A. hungry B. thirsty C. afraid

() There ______ three pencils in the pencil case.
A. is B. are C. Be