26.____ the problem of method is solved,talking about the task is useless.A.Until B.Since26.____ the problem of method is solved,talking about the task is useless.A.Until\x05\x05\x05\x05B.Since\x05\x05\x05\x05C.After\x05\x05\x05\x05D.Unless

she couldn't solve the problem alone(改同义句) She ___ ____ ____ solve the problem ____ ____ . Can he work out the problem (同义句） ____ he ____ ____ work out the problem? The problem is to ____(deal) with after the discussion could you ____(possible)help me to solve the problem li lei tried hard ____(work)out the problem How have you ____(deal) with the problem Finally,they found a ____ to the problem.(solve) The problem is ____(雨何时才能停). The girl was unaware of the importance of the problem.The girl ___ ____ the importance of the problem He couldn't work out the math problem.(改为同义句) He ____ ____ ____work out the math problem. The twins fails to work out the maths problem.同义句转换：____ ____the twins works out the maths problem. 我们很快就解决了这个问题 We soon ____ ____ the problem He worked out the problem _easily_ （对划线部分提问）____ _____ he work out the problem? Can he work out the problem?(同义句） ____ he ____ ____ work out the porblem? i can't work out the problem.it's too difficult同义句转换 i have ____ ____ out the problem. Can you tell me how I can work out the problem?句型转换.Can you tell me ____ ____ work out the problem. They ____(have)a discussion about the problem in the meeting room this time yesterday. Noise pollution was a problem before the ____ (close)of the old airport 为什么?