问题
选择题
My brother tried ___, but still he couldn't work out this maths problem.
A．a great deal of
B．a great deal
C．a number of
D．lots of
答案
答案：B
ACD三项中的of后应跟一名词,所以只有B符合题意.
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My brother tried ___, but still he couldn't work out this maths problem.
A．a great deal of
B．a great deal
C．a number of
D．lots of
答案：B
ACD三项中的of后应跟一名词,所以只有B符合题意.