It is Saturday afternoon. It is a fine day. Mr and Mrs Black go to the park. There are lots of people there. Some men are drinking coffee under a big umbrella. Some girls are playing games under a big tree. A boy is sitting in a boat. He is fishing. There are many birds in the trees. They are singing. A cat climbs up a tree. It wants to eat the birds, but the birds fly away.
【小题1】Mr and Mrs Black are in the park. (_____)