If he _______,don’t wake him up.选项：A.still sleeps B.is still sleeping请细致讲解一下为什么选,为什么不选.请讲得清楚、易懂些.still不是仍然的意思吗，这不就表明动作还在持续吗？

1.I can't finish the project if don't help me.(同义) I can't finish the project ____________.2.Don't give the boy any help,He has the _______(able) to finish the work. 【初三英语从句】I don't know if he ______(come) back,if he _______(come) back ,please let me know.请问这种两个if在一起的题目怎么做啊? I don't know if he will come tomorrow i think he if he free I don't like _______ and he doesn't like _______ ,either.（run;running） I don't know if he ____(be) free tomorrow. I don't know if he ____ ( come ) 是if I don't go,neither does he”还是“if I don't go,neither will he” I don't mind if he (come),but if he (come),please tell me I don't know if he ___.if he ____,please tell me .(come) I don't believe they can pass the exam,_______?does he can't he doesn't he can they I don't think he is leaving there,_______?A.does he B.don't I C.is he D.isn't he I can't finish the work if i don't have any help=I can't finish the work _______ _______ _______. I don't think he will come here on time,_______?A won't he B will he I don't know where he _______ (hide) in the park.I can't find him I don't know if he will come tomorrow.为什么要用if 不能用whether i really don't know if he _____tomorrow.if he_____,please give me a ring(come) I don't know if he_.if he _home,please let me know.(return). 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 co