[ Mixed General Quiz ]
The students have no difficulty ___ the exercise.
a. in doing
b. to do

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Idioms › ViewBought the ………. .
A. ranch
B. lunch
C. farm
Grammar › View
Mr. Monahan is a dad.
In this sentence, what is the word “dad”?
A. Object of the preposition
B. direct object
C. predicate noun
D. indirect object