There is ________"m" and ________"u" in the word "mouth".
——What did you say to your grandmother on the phone just now?—— I asked her _______ .
I’m sorry I’m very busy now. If I ______ time, I ______ come to see you.
___ weather it is! Let’s go for a picnic!
He ________ for Beijing next week.
Jim often gets up ________than his sister.