She had difficulty _____ up with the rest of the class.A.keepingB.to keep C.keep D.kept
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Shehaddifficulty_____upwiththerestoftheclass.A.keepingB.tokeepC.keepD.keptShehaddifficulty_____upwit
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