问题补充：
Tom, you’ll fail in the English exam if you don’t study hard. it.
A. There’s no doubt about
B. It’s no doubt about
C. It doesn’t have any doubt with
D. There’s no doubt with
答案：
(答案→)A. There’s no doubt about
B. It’s no doubt about
C. It doesn’t have any doubt with
D. There’s no doubt with
解析：本题考查固定句型的运用。There’s no doubt about sth. “毫无疑问……”，是一固定句型。）
