--- How does your sister learn Russian, Mike?---She learns it _______ listening to the tapes.
This TV show is very __________, and you can learn many things.
_________ it is snowing, it isn’t very cold.
Tom and Mike are _____________.
Please call ________ ___________ 4365874.
如果你丢了一个笔记本,你要写一个寻物启事,如何写标题?