摘要： The mother didn't know to blame for the broken glass as it happened while she was out. A. who B. when C. how D. what 不定式: to加动原不定式.非谓不做谓语用.功能如同名形副.疑问副代可连用.宾补有to分两种.前面加not是否定 to省略 help help sb. do / help do / help to do / help sb. to do 使义动词 make sb. do / make sb. doing / make sth. done be made to do 感官动词 see sb. do / see sb. doing sb. be seen to do / sb. be seen doing 第九课时
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The mother didn’t know_________to blame for the broken glass as it happened while she was out.?
A.who B.when C.how D.what?
查看习题详情和答案>>The mother didn’t know ____to blame for the broken glass as it happened while she was out.
A. who B. when C. how D. what
查看习题详情和答案>>The mother didn’t know _____to blame for the broken glass as it happened while she was out.
| A．who | B．which | C．they | D．that |