I don't know _____,Because he has to look after his mother.

I don't know _____ it will rain tomorrow.A.if B wether 为什么?I don't know _____ it will rain tomorrow.A.if B weather 为什么？ What a surprise.I _____ know you ____ here in Wuhan?A.don't know,are B didn't know,wereC.didn't know,are I don't know what we will do next.(改为同义句)I don't know _____ _____ _____ next. I don't know _____ of them. A.any B. some C. no 选什么,为什么? I don't know what _____.A.do B.doing C.did D.to do I don't know whom I should ask(改为同义句）I don't know whom _____ _____. 改为同义句：I don’t know what I should buy her.I don't know _____ _____ buy her. 英语翻译I don't know _____ ______ _____next. I don't know what _____（eat） for lunch I don't know which sweater _____(choose) I don,t know which one _____ （choose) I don't know which watch _____(choose). I don't know why he _____(like) elephants. I don't know. What would happen if I don't know anyone?=_____ _____ I don't know anyone? What does he like wearing I don't know.(合为一句) I don't know _____ _____ ______. Hi Mike Oh it's you .John I _____ I could meet you here A won't know B don't kown C didn't know D hHi Mike Oh it's you .John I _____ I could meet you hereA won't know B don't kown C didn't know D haven't know Hello Lucy!I _____ know you ______in Beijing.A don't are B did't are C did't were D don't were 选哪个?为什么?