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.