用你所学过的英语解释下列句子（同意句转化）?

用你所学过的英语解释下列句子（同意句转化）?
1.Mr and Mrs Black came to China in 1990.They are still living in China.
2.Which is the way to the hospital?
3.It often rained in Wuhan last summer when we stayed there.
4.They only saw Miss Green coming into the room.
5.She stayed indoors until the rain stopped.
6.He promised that he would take a message for Rose.
7.I don't konw when we should set out and where we should meet.
8.What's your aunt?
9.To learn a foreign language well is important.
10.He is one of my friends.
11.You should water the trees twice a day.