A. sent B. were sent C. had sent D. had been sent
A. hasn't cleaned B. didn't clean
C. wasn't cleaned D. hasn't been cleaned
A. will be kept B. will keep C. had kept D. had been kept
A. has been questioned B. is being questioned
C. is questioning D. has questioned
A. is expected B. expects C. expected D. is expecting
A. were B. was C. has been D. is
A. are B. have C. is D. were
A. is needed B. has needed C. are needed D. need
A. are, are B. are, is C. is, is D, is, are
A. was B. were .C. is D. are
A. has, have B. have, have C. has, has D. have, has
长理培训客户端 资讯,试题,视频一手掌握
去 App Store 免费下载 iOS 客户端
点击加载更多评论>>