问题补充:
He has promised to the matter and will give the workers a satisfactory answer.
A. look into
B. look after
C. look at
D. look for
答案:
(答案→)A. look into
B. look after
C. look at
D. look for
解析:短语辨析。A调查B照顾C看D寻找;句意:他答应调查这起事故,并给工人们一个满意的答复。根据句意说明A正确。