Though the first letter is ( ) u in the letter useful, we should say ( ) useful book.A: \ , aB: a ,aC: a, an D: an, an

Let the old 什么 the bus first. Let the old man( ) the bus first Let's make the bed first.翻译 let's see the pandas first. let us look at the panda first 改为同义句let the panda first 四个单词 let's look at the pandas first同义句：let's ( )( )( )( )the pandas first 英语翻译,这个句子中的though是什么意思First, though, take a look at the fundamental types recognized by C. Let's see the lions first 的同义词求 giraffes are very interesting so let s the giraffes first Let’s see the pandas first.改为否定句 Let's see the pandas first,___ ____?反问疑问句 Let's( look at the ingredient) first.(划线提问） let's go to visit the bund first ,____ _____? 用let us,to,tape,listen,first,the造句. Let's see the penguins first.(改为同义句 see,let,first,pandas,us,the 连词成句 Let's see the pangas first,改为同义句 let‘s see the dolphins first.的肯定回答