Ans: toasted to
toast即可做及物动词也可是不及物,两个都有干杯的意思,后者加介词to
vt.
提议为…干杯；为…举杯祝酒：
We toasted each other's health.
我们为彼此的健康干杯.
They toasted their teacher.
他们举杯向老师敬酒.
vi.
干杯；举杯祝酒(与to连用)
They all stood and ___toasted to ____ the president.
PS：cheers直接就表示干杯的意思,一般单独就可使用,cheer for是为．．欢呼的意思