1/My school has conducted several volunteer programs to raise student's awareness of helping others (been) ->... 2/ My mother congratulated me because i won the race. ( on ) ->... 3/ james last visited his mother , who has been living in the nursing home, in december. ( not ) ->.. mọi người giúp e vs ạ :>
2 câu trả lời
1. Several volunteer programs have been conducted to raise student's awareness of helping others.
2, My mother congratulated me on winning the race
3, james has not visited his mother, who has been living in the nursing home since December.
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