---What’s that?---It’s an______________.(下列选项哪个不对)
Rick has learned a lot about Chinese culture _____ he came to China.
—Can I bring a friend to your birthday party?—Sure, ______.
_______theexam, we'll say good-bye to our dear teachers, classmates as well as ourbeautiful school.
It is ______ for me to follow the Australian guests because I am good at English.
--I have just got my offer from the King’s College in London. -- ______