题目内容：

英语翻译
26.I don't know _______ he will return the CD player to me tomorrow ._____ he returns it ,I'll lend it to you .
A.if ,Whether B.whether ,Whether C.if ,That D .if ,If
D 翻译:
27.I'm not sure ______ the day after tomorrow .
A.when does he come B.how will he come C.if he comes D .whether he'll come
D 翻译:
28.Sam asked the fat lady _______ the seat had been taken .
A.what B.how C.whether D .where
C 翻译:
29.Could you tell me _______ the radio without any help
A.how did he mend B.what did he mend C.how he mended D .what he mended
C 翻译:
30.We wondered _________________ .
A.whom is she looking after B.whom she looking
C.whom is she looking D .whom she was looking after
D 翻译: