Many cities in the southern part of the United States have d

Many cities in the southern part of the United States have difficulty ___ traffic following when it snows.
A.kept
B.keeping
C.to keep
D.in being kept
求详细分析.总是搞不清什么时候用动名词什么时候用不定式
龙城三zz 1年前 已收到2个回答 举报

kkappsy 花朵

共回答了19个问题采纳率:84.2% 举报

选择B项
have (some) difficulty (in) doing sth.
干某事有困难

1年前

2

SeamJack 花朵

共回答了2456个问题 举报

b
主动态
have difficulties doing sth

1年前

2
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