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1. While play is important at all levels of human development _________ takes on particular significance when children are five and six years old.
A. it
B. and
C. which
D. because it
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2. During the second and third years of life children gain _________ over their bodies.
A. control increasing
B. increasing to control
C. control is increasing
D. increasing control
𰸣D
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3. All brass instruments use a mouthpiece _________ into a long cone-shaped tube.
A. is inserted
B. that inserted
C. that is inserted
D. and inserted
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4. By the mid-twentieth century United States presidential staffs _________ had numbered fewer than ten a century earlier numbered in the hundreds.
A. as
B. that they
C. which
D. and
𰸣C
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5. In 1966 only 60 percent of all five year olds in the United States attended kindergarten _________ in 1985 almost 82 percent did so.
A. with
B. which
C. whether
D. while
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