He seldom speaks English after class,for he is afraid __ mistakes __ grammer.A.to make;of B.making;of C.to be made;in D.of making;in
问题描述：
He seldom speaks English after class,for he is afraid __ mistakes __ grammer.
A.to make;of B.making;of C.to be made;in D.of making;in
答
正确的应选D.be afraid of 害怕,比如She is afraid of snakes.她怕蛇,
在某方面犯错误,用介词in
答
答案选A。be afraid to 害怕做某事。
答
D
be afraid of doing sth 担心会发生某事
be afraid to do sth 害怕做某事
翻译：他课后很少讲英语,因为他担心会犯语法错误.
in grammar 在语法方面.