According to our school rules, students ________ not carry mobile phones when taking a exam.
A．willB．mayC．shallD．need
C

試題分析：句意：根據(jù)我們學校規(guī)定學生參加考試的時候不可以帶手機。Shall用于第三，第二人稱可以表示“規(guī)定，命令，警告，允諾等”，從前面的our school rules,可知用shall，will“將會”，may“可以”，need“需要”，選C.
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