【题目】She is not certain about __________ she has done anything wrong.
A. if B. whether C. that D. What
在线课程【答案】B
【解析】
试题分析：考查关系词。句意：她对自己是否做了些错事感到不确定。根据前面的not certain可知是不确定的态度，有选择性。在从句中，在介词后，只能用whether，故选B项。
查询谷 - www.chaxungu.com
She is not certain about she has done anything wrong.A. if B. whether C. that D. What
编辑：chaxungu时间：2026-04-27 02:55:40分类：高中英语题库
最新文章
- 2026-04-27Why won’t the man help the woman?A.He has a dentist appointment.B.He has to go to work.C.He is visit
- 2026-04-27She is not certain about she has done anything wrong.A. if B. whether C. that D. What
- 2026-04-27The wheelchairs are for the people who are unable to walk.A.designedB.expectedC.changedD.wished
- 2026-04-27Please tell me how the accident ．I am still in the dark．A．came upB．came outC．came toD．came about
- 2026-04-27I want to buy that kind of cloth because I the cloth well.A have told; washed B have been told; wash
- 2026-04-27Under the new schedule, teachers of primary and secondary schools must each class on time instead of
- 2026-04-27Hengshui will soon take on a new look as many roads and streets widened or rebuilt.A.had beenB.have
- 2026-04-27Appointed as chairman to China,Mr．Xi was determined to serve his country heart and soul．A．an.theB．th