选择正确的单词填空，写在横线上。
【小题1】There ______ (is, are) some fish in the river.
【小题2】There aren't ______ (some, any) children in the photo.
【小题3】How many ______ (dog, dogs) do you have?
【小题4】______ (They, There) are ______ (any, some) toy bears in the room.
【小题5】Ben and Jiamin ______ (has, have) five robots. Joan ______ (have, has) two dolls.
【小题6】—Are there ______ (any, some) pets in the bag?
—Yes, ______(they, there) are.
【小题7】There ______ (is, are)a pen and five books on the desk.