Chia động từ trong ngoặc ...
1. Mr. and Mrs.Phuong(offter)...have offered...free meals for the poor in Ha Noi sofar.
2.We(clean)...cleaned..up the dirty streets in our area last Sunday .
3.I think Mr. Quang (donate).....has donated..blood several times .
4.do Your friends (sing)..sing....for the elderly people every Sunday ?
1. Mr. and Mrs.Phuong(offter)..have offtered....free meals for the poor in Ha Noi sofar.
2.We(clean)...cleaned..up the dirty streets in our area last Sunday.
3. I think Mr. Quang (donate)....had donated...blood several times.
4. Do your friends (sing)...sing...for the elderly people every Sunday?
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