问题
选择题
The old man kept _______ for 69 years and 5 months.[ ]
A. to hiccup
B. hiccupping
C. hiccupped
D. hiccup
答案
B
The old man kept _______ for 69 years and 5 months.[ ]
A. to hiccup
B. hiccupping
C. hiccupped
D. hiccup
B