they spend hours looking at the best price at the item they want为什么是at the item they want而不用for the item they want

They will spend two hours p_____in the zoo They usually spend all their waking hours in the water. They spend two hours on their work.保持句意不变 They spend two hours ____their work. :They spend two hours on their work.保持句意不变 They spend two hours ____their work.答:in finishing They spend two hours on their work(保持意思不变)It _____them two hours to do their work They spend two hours on their work.保持句意不变 They will spend about three hours hiking to the top pf the mountain .写出同义句. 预备英语练习题They spend two hous on their work.(保持句子意思不变)They spend two hous ______ their work.They spend two hours on their work.(保持句子意思不变)They spend two hours ______ their work.It______them two hours to do th 就划线部分提问：They spend（about twelve）hours a day eating.（ ） （ ） hours a day （ ） they （ ） eating? they spend hours looking at the best price at the item they want为什么是at the item they want而不用for the item they want spend three hours _ (finish) my homework They spent as many hours as they could -----their lessons为什么是填to study,而不是根据spend sth on sth,spend sth (in) doing sth,填studying为什么不对? They want to spend two hours ____the zoo选用on,for,in,from四个单词来填,哪个是正确的? They usually spend over ten hours a day revising for exams.同意句 （ ）（ ）them over ten hoursa day to revise for exams. he spends two hours running every day=he spends two hours______ ______every day=It takes_____two hours______ _______every dayThey spend ten yuan on these hair clips=They spend ten yuan______ _______these hair clips=______ _______ _____cost_______ten 英语翻译As for spending habits,some teens spend their money in a relatively carefree style.Sometimes month’s money can be spend in just a few hours.But in most situations they save money towards college of other future plans. Many boys and girls love to watch TV.They spend many hours a day in front of the TV sets.But manyMany boys and girls love to watch TV.They spend many hours a day in front of the TV sets.But many parents let their children watch TV only in special ( they often study( ) long hours