根据句意用括号中动词的适当形式填空，使句子的意思完整、正确。
As a result, he succeeded in ________(get) a scholarship．
Daniel had his hair          (cut) last Saturday．
The blood he has donated is enough __________ (save) over seventy lives．
While he ___________ (attend) the junior high, he tried out for the school team．
Either his father or his mother __________ (promise) to buy him a computer already．