-Why didn’t you go to the cinema with us this afternoon, Jim?-Because I ______ at the station for my uncle from Beijing at that time.
The question is __________ easy; all the students can answer it.
Xi Juan is her _______ writer.
The classroom is very _______ because some students are making some _______.
-Do the interesting books belong to________? - No, they are the __________ .
We had fun________ in the swimming pool last Sunday.