6. --Kitty, how was your weekend?--I had a great time. I went skiing with my friends.--Wow! ________.
It was along the Mississippi River _____ Mark Twain spent much of his childhood.
The house they are living now is ______ our house.
Milu deer,which used to be ______ in China long ago,is a rare animal nowadays.
By the time I arrived at the airport, she_____ for New Zealand.A. would be leaving B has left C will have left D had left
She can’t ______ having nothing to do.