I don’t know he will come to the party or not.A.whether B.if C.that
--- Who is _________ tall woman with long hair ?--- She is our English teacher, _________ we all like her very much.
We waited for him at the school gate , but he didn’t appear until nine.
We know Lady Gaga is well-known all over the world .
It’s not polite to make fun of others when they are in trouble .
Let’s discuss the problem after school.