问题补充:
The exciting news he had been looking forward at last, so he did nothing but.
A. to came; cry
B. to coming; cry
C. to come; to cry
D. of come; to cry
答案:
(答案→)A. to came; cry
B. to coming; cry
C. to come; to cry
D. of come; to cry
解析:A考查句式。look forward to为定语修饰news,此句主语为news,谓语为came;故排除B,D;后空前面动词为do,but后面的词为原形动词。