—Would you like to go hiking with us this Sunday? —Sure, _______ I am busy.

Granny often tells us _____ water in our daily life.

--- I feel nervous about the coming summer.---- Me , too. Hot weather _____ makes people feel hot, ______ causes serious health problems.

__ we are young, we can still do something to help protect the environment.

I enjoy the popular dance “hip--hop” , but ______my father _______ my mother like it .