I really like the family photo____we took on my grandpa's 80th birthday．（ ）
A．whoB．thatC．whatD．whose
We were not good friends we saw each other，but gradually，we got along better and better．（ ）
A．untilB．whenC．if
My sister has gone to work in Beijing， not for money， but herself．（ ）
A．improveB．improvedC．to improve
I hear that it often in Sichuan and there are usually floods， especially in summer．（ ）
A．rainsB．rainedC．will rain
Mary is my English teacher not only teaches me knowledge but also how to be a good person．（ ）
A．sheB．whichC．who
Sally， I have exciting to tell you．We will go back to school soon．
Great!（ ）
A．anythingB．somethingC．everything