句型转换（每小题各1分，计5分）
My mother is working in a restaurant.(划线部分提问)
________ your mother __________?
Mary wants to be an actor. （改为一般疑问句）
_______   Mary _______ to be an actor?
I like koalas because they are very friendly. (就划线部分提问）
_______ do you ______ koalas?
They often play with the cute dog. (用now改写)
They ________  ________ with the cute dog now.
is, your, going, winter, how, vacation (连词成句)
__________________________________________________________________?