my father my mother believes what star signs say, but I do.
The boy is afraid ________ cross the bridge, because he is afraid ________ falling into the river.
The writer found ________ difficult ________ English.
The English teacher added that having conversations ________ friends was not ________ at all.
--- Have you ever practice ________ to foreigners?--- Oh, yes. It improves my ________ skills.
My sister thinks Man from the Stars is such a fantastic TV series that she wants to see it ________ second time.