Angliholic  +  602104 Tue, 02 Dec 08 10:44 AM Scientists are working on the possibility of cloning mammoths, but people are unsure about whether/if it will work. Hi, Do both whether and if work in the above? If not, could you tell me the reasons? Thanks. Angliholic Joined on Wed, Feb 14 2007 SomewhereinFormosa Veteran Member 6,473 Without true love, life is meaningless and worthless since our physical world is nothing but a dream. ~~Angliholic~~簡瑞達

	Cool Breeze  +  602126 Tue, 02 Dec 08 11:06 AM Hi Angliholic Just leave out about and the sentence is fine with either whether or if. CB EDIT: Some people want to use or not with whether. I'm not one of them. Cool Breeze Joined on Fri, Apr 7 2006 Senior Member 3,926 "I hope you'll all live to be 150 years old - and the last voice you hear is mine!" Frank Sinatra on stage in Oslo, Norway, 28 September 1991

	Cool Breeze  +  602230 Tue, 02 Dec 08 01:08 PM Angliholic “But what if "about" must stay, do both whether and if fit? ” The sentence is wrong with about. Don't use it in the sentence. Drop it. About cannot be used in the sentence. CB Cool Breeze