——Someone called you just now.——I know. But I was busy at that moment. When I called back, there was no .
Bob a lot since we met last year.
一 you please buy a newspaper for me? 一Sure.
Bill is very popular and he is student in the class.
一 is the model plane made of ? 一It's made of used wood and glass.
Paper cutting looks very easy, it may be difficult to do.