--Will you be able to finish the job this week.
-- __________ , but I'm not skilled enough, you know.
A.I can't say so B.I except so C.I'm sure so D.I don't know so
参考答案:
答案解析:
--Was that the dean who walked by?-- __________ .
--Was that the dean who walked by?-- __________ .A.It must be that B.It must ha