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黑龙江省林口四中10-11学年高二上学期期中考试
21. It was____ great shock to the world that two airplanes crashed into ____ World Trade Centre in New York on Sept．11．
A．a；／ B．the；the C．a；the D．／；the
22. ____ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
21. It was____ great shock to the world that two airplanes crashed into ____ World Trade Centre in New York on Sept．11．
A．a；／ B．the；the C．a；the D．／；the
22. ____ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
