单项选择题
A. she complained... she was B. did she complain... she was C. she complained... was she D. did she complain... was she
A. At 17:00 on Friday evening. B. At 7:00 on Friday evening. C. At 6:30 on Friday evening. D. At 7:00 on Friday morning.
A.are to challenge B.may be challenged C. have been challenged D. are challenging