A．shorthandB．short－waveC．shortcomingD．shortage

【B10】A．faultB．mistakeC．errorD．shortage

A．Because there was a shortage of men and women in the area.B．Because mining communiti

According to the passage, what problem does the recent research find？A．Sleep shortage has

There is something wrong with the _____ of the phone.A) soundB) waveC) recipientD) voi

【C3】A．needB．wantC．absenceD．shortage

【C2】A．sourcesB．abundanceC．shortageD．reduction