问题
选择题
Strong sandstorms are often _____ you cannot see the sun.
A．so thick that
B．such thick that
C．thick in order that
D．thick such that
答案
答案：A
考查句型“如此…以致” so +形容词 +that…； such +名词 + that...。句意：沙尘暴经常是如此大以致于看不见太阳。选A