-----What are you doing?----- _________. It is too dirty.
-What’s your plan for this weekend?-I’m going to ________ it with my grandparents.
-Do you know _______ World Water Day is?-On March 22nd.
Mr Wang has worked as _______ English teacher for more than 10 years.
-Have you ever seen the film "The Founding of A Republic"?-______ . However, I hear there are many stars in it.
-______ join Music Club?-I’m sorry. I can’t sing or dance.