He went to the library last night but you broke your word. A. no doubtB. in needC. on e

问题补充：

He went to the library last night, but you broke your word.

A. no doubt

B. in need

C. on earth

D. in truth

答案：

A. no doubt

B. in need

C. on earth

(答案→)D. in truth

解析：句意: 他昨晚真的去图书馆了, 但是你食言了。in truth意思为 “事实上；的确”，符合句意。no doubt毫无疑问；in need在危难中；在危急中；on earth究竟；到底。