John is the only one of the students in the class who never _____ a mistake even when it is pointed out to him.
#92793
A
admits making
B
admitted to make
C
admitted making
D
admitted having made
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The employees were made to spend as much time as they could ______ more products to meet the _______ market.
#96471
A
producing; growing
B
to produce; grown
C
to produce; growing
D
produced; grown
The play           next month aims mainly to reflect the local culture.
#91400
A
produced
B
being produced
C
to be produced
D
having been produced
Our teacher insisted that the key words worth paying attention _______ before class.
#95656
A
be underlined 
B
being underlined
C
to be underlined 
D
to being underlined