They were not sure if the new invention could carry voices.的翻译

they were not sure how to use it 为什么? i am not sure if they're coming什么意思? I am sure they do not get there by chance. They were not sure if the new invention could carry voices.的翻译 I'm not sure 选词填空（fairly,rather,very,quite)1.She was ---much interested in what I said2.They were also----sure that acigarette end did not start the fire3.The shoes are-----too small for me.They fit you----well I'm sure that they were listening to the radio. they ____ ____been listening to the radio.同义句 翻译英语句子1.They were not sure the small machine could really carry voices1.They were not sure the small machine could really carry voices.2.From then on,hellois often heard when you picked up the telephone. I am not sure是什么意思 Er...i am not sure. I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) i am not sure...+ what will they buy for me 2句合一句 they were not taken seriously. They were not my grandparents. sure i do -I don't know if you remember me.We were in the same Eglish class last year.- ( ).You were always telling jokes.A.Not really B.That's rightC.Sure I do D.That's not true Having fast food is supposed to save time,but I'm not sure they___.have are were do