I bet Mrs.Black will come to help us with the celebration if she______too busy tomorrowA.is B.will be C.won’t be D.isn’t一道中考题,答案是is,不是很明白,求详解,自己选的isn't.

I bet Mrs.Black will come to help us with the celebration if she is too busy 为什么要填is?而不是isn't呢?这是一个中考题，is…… I bet Mrs.Black will come to help us with the celebration if she______too busy tomorrowA.is B.will be C.won’t be D.isn’t一道中考题,答案是is,不是很明白,求详解,自己选的isn't. 英文yes i bet you will是什么意思? I bet kids will not go to school 英语翻译It's time for Mr.Black to go to work.Mrs Black gave him a letter.plese post it on your way to work.OK,I know I'm always forgetful .But this time I'll surely do itMrs Black smiled,I'm sure you will.Mr Black walked down the street.The Mrs.Black 意思快 good a( ),mrs,black 翻译I bet 和you bet I BET YOU I BET YOU i bet my I bet you! I bet是什麽意思? i bet u wood 英语翻译In addition I love to bet on the arm,I will not lose Mrs Black will n( ) her son after her father.根据首字母提示完成. Mrs Black will take care of the children.(改为被动语态） Mrs Black hoped _____back home earlier.A to come B her son will come