2．An explosion in a coal mine in Heilongjiang on Nov.21.2009 at least 106workers dead．( )A．promote——青夏教育精英家教网——

2．An explosion in a coal mine in Heilongjiang on Nov.21，2009 at least 106workers dead．（　　）

1．It was in the lab ______ was taken charge of by Professor Harris ______ they did the experiment．（　　）

20．Sean's strong love for his country is ________ in his recently published poems．（　　）

19．It is ten months since he ______ a doctor．（　　）

18．It is exactly _______ its products are of high quality _______ has made the company very successful in China．（　　）

because； that

whether； what

17．Either we or he _______considering buying the old house to be pulled down soon．（　　）

16．Though you've got a tight schedule these days，I would be ______ if you could afford time to attend our meeting today．（　　）

15．I always keep my camera readily ______in case I see something that needs to be filmed．（　　）

14．David，I'm _____ of watching television； let's go for a walk．（　　）

13．Children are greatly influenced by their family，so if your parents like reading，you may be a（n） ______ visitor to the library．（　　）

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