问题补充:
I’m very sorry to keep you for a long time
A. wait
B. waits
C. waiting
D. to wait
答案:
A. wait
B. waits
(答案→)C. waiting
D. to wait
解析:考查固定用法。keep sb. doing sth.“让某人一直做某事”。句意“让你等这么久真是抱歉。”故选C。
时间:2021-02-08 05:36:50
I’m very sorry to keep you for a long time
A. wait
B. waits
C. waiting
D. to wait
A. wait
B. waits
(答案→)C. waiting
D. to wait
解析:考查固定用法。keep sb. doing sth.“让某人一直做某事”。句意“让你等这么久真是抱歉。”故选C。