Recently the Ministry of Environmental Protection issued a circular saying that China may adopt flexible working hours and stop school classes_____the highest air pollution warnings.

A. for fear of? B. in terms of? C. on top of? D. in case of

        his financial problems , his wife also left him , which made him very depressed .

    A. In case of   B. Except  C. On top of    D. On account of

I admired my classmate Linda very much . ________ her prettiness, she was smart and helpful.

    A. Except for         B. But for                 C. On top of          D. In spite of

        his financial problems , his wife also left him , which made him very depressed .

    A. In case of      B. Except          C. On top of       D. On account of

 The disease malaria, which is spread by mosquitoes, kills over one million children yearly. ______, according to the United Nations, hunger and malnutrition claim ten million lives each year.

A. However               B. On the contrary         C. On top of this      D. As a result