but they could l_____to radio.They w______movies

penguins are birds,but they are not l____ most birds. but they could l_____to radio.They w______movies There was nothing but stand they could see 翻译 They were all so tired that they could ______.A.do nothing but sleep B.do anything but sleep 根据要求改写句子,每空填一词.they turned around but could not find any unusal things (改为同义句）They turned around but could find ___ ____ They were all so tired that they could ____.nothing but sleep .我想知道but不是介词吗?为什么but后不用sleeping? I can n speak English,but only a l____ The door was open,but now it's l____ 首字母填空：But a few days l____ my mother died 求翻译 They quested both men but neither of them could speak English. They could do nothing but ___ (wait) at home什么时态 there was nothing they could decide but ( ) A wait B to wait thet thought the old man was crazy,but there was nothing they could do.意思 they are the biggest l____ animals on land Look at the red maple l____.They are very beautiful. They should walk and l____ to the music The doctors did everything they-----save the---old woman but failed.A could;dead B could to;dead C could;dying D could to;dying前者为什么选could to?could后为什么加to?to 在这里的用法? 1.They stopped after they were safe at home.(同义句） They_____stop_____they were safe at home.2.They listened but could not understand anything.(同义句）They listened but could ______ _______.