根据句意和首字母提示补全单词。 1.English is a useful l________. We must study it hard. 2.Peple are really d________ from animals. 3.You’ll s________ if you’re hard-working. 4.You have to look up the word in the d________. 5.L________ have a party tonight, shall we? 6.What does that word m________? 7.She w________ what the child was d oing? 8.I don’t u_______. Could you explain that again, please? 9.There’s a crack in this glass. Bring me a________ one, please. 10.The fish you caught yesterday is still a________.