Lian Zhan with his visitors _____ from Taiwan _____ paying his first visit to the mainland of China. [ ]

I’m not allowed to go out on school nights. — .

__________ have you been in the sports club?—Since the first month I came to the school．

we were playing basketball on the playground, it began to rain.

What was your brother like when he was young? — He _______ be quiet, but now he’s very outgoing.