Children’s brains can’t develop properly_______ they lack protein.
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A
when
B
since
C
because
D
unless
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Though having discussed it for long, they still haven't reached an agreement ________ they should pour more money into the project.
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whether
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The patient's son asked the doctor the question________his father could survive the big operation.
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The queen will visit the town in May, _____she will open the new hospital.
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Mother was worried because little Alice was ill ,especially_____father was away in Franc
#80209
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C
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