It is a general rule that children’s games and books seek to teach and ______ at the same time.

Why do you like this TV program—________it’s very interesting and exciting．

Qingshuijiang River is the longest river in the southeast of Guizhou Province.

Kathy ____ a lot of Spanish by playing with the native boys and girls.

With the land of the city becoming rare, more and more high-rise buildings are under construction around the Jingmen City ___________ space.