Millie could look after _______ though she was only five years old.

Lots of visitors come no Nanjing because she is city.

Not only Jim but also his parents ______ a few places of interest since they came to China.

Bob， __________ my teacher, Miss Hu. Miss Hu, ___________ my brother.

Surfing first started on the islands of Hawaii, didn’t it?–Yes, but now it ______ by people all over the world.