Is this your sister’s key, John?— No, it isn’t. ______ is in the bag.

The poor little boy often stands _____ the gate. He is waiting for his mother. [ ]

What do you think about Chinese Post-90s generation ?–They are ­­­­­­­­­­­­_________ from those born before them. They are very aggressive and pretty confident because they never felt hardship.

Can you _______Chinese？—- No,but I can _______stories.

We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school.