问题补充:
They’re late. The film for half an hour.
A. Has begun
B. has been on
C. started
D. has started
答案:
A. Has begun
(答案→)B. has been on
C. started
D. has started
解析:在现在完成时中,要用延续性动词,与for+一段时间,对于begin和start两个单词都是短暂行动词,必须用be +介词状态表示延续性,故选B
时间:2018-11-04 15:17:22
They’re late. The film for half an hour.
A. Has begun
B. has been on
C. started
D. has started
A. Has begun
(答案→)B. has been on
C. started
D. has started
解析:在现在完成时中,要用延续性动词,与for+一段时间,对于begin和start两个单词都是短暂行动词,必须用be +介词状态表示延续性,故选B