Is_____, I wonder, a good idea for parents to allow teenager..

Is_____, I wonder, a good idea for parents to allow teenagers to study in groups during the evening? [ ]A. this B. that C. one D. it

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It was _____ he was ill _____ he didn't come to school. [ ..

It was _____ he was ill _____ he didn't come to school.A. that, becauseB. because, that C. why, that D. because, why

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—I hear that Tom can't afford his schooling this fall. — _..

—I hear that Tom can't afford his schooling this fall. — ____, let's do something for him. [ ]A. If so B. When necessary C. When possible D. If any

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Some of you may have finished unit one. , you can go on to ..

Some of you may have finished unit one. , you can go on to unit two.[ ]A. If you mayB. If you do C. If notD. If so

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As a student, I love ______ when it snows and school is canc..

As a student, I love ______ when it snows and school is cancelled.[ ]A. thisB. thatC. it D. one

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