Y. We ___ a binding contract last year and it ___ recently 1. signed \ has been prolonged 2. have signed \ prolonged 3. have been signed \ prolonged u. He allowed the goods___ by airplane1. to be send 2.to be sent 3. be sent i. He watched the children ( writing\ write\ written) the dictation o. When I left, they all working (hard \ more hard \ hardlier )
Y. We ___ a binding contract last year and it ___ recently 1. signed \ has been prolonged 2. have signed \ prolonged 3. have been signed \ prolonged u. He allowed the goods___ by airplane1. to be send 2.to be sent 3. be sent i. He watched the children ( writing\ write\ written) the dictation o. When I left, they all working (hard \ more hard \ hardlier )
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i. He allowed the goods to be sent by airplane
o. When I left, they were all working hard