She had difficulty _____ up with the rest of the class.A.keepingB.to keep C.keep D.kept
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 07:49:35
She had difficulty _____ up with the rest of the class.A.keepingB.to keep C.keep D.kept
She had difficulty _____ up with the rest of the class.
A.keeping
B.to keep
C.keep
D.kept
She had difficulty _____ up with the rest of the class.A.keepingB.to keep C.keep D.kept
B.to keep
have sth to do
B
B
A
have difficulty doing sth.
A. keeping
have difficulty (in) doing sth