teachers, almost three times the number hired last year________ reduce unemployment pressures.
A. help B. to have helped C. to help D. having helped
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Ks5u30（09江苏）Distinguished guests and friends, welcome to our school, _______ the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad. A. Attend B. To attend C.
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Ks5uAttending D. Having attended
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