_____ a cold morning poor Mary went out to sell flowers. [ ]

Is the girl in the red skirt your sister?—No. She is____ classmate.

There is ________ with my watch, so I don’t know the time.—- Let me have a look.

Did you look up the time of trains to Shanghai?—Yes，the early train is ________ to leave at 5：

Is Mr. Smith driving here? —I’m not sure. He ______ come by subway.