The boy saw a wallet on the ground ,he ___(look around) but there was nobody nearby .

The boy saw a wallet on the ground ,he ___(look around) but there was nobody nearby . The boss made the little boy do heavy work.改为被动语态怎么改?还有一句：A girl saw my wallet drop when she passed by. he saw a wallet under the tree.保持原句意思A wallet under the tree___his ___. On the Tuesday ,I saw a wallet on the ground哪里错了 While( )on the street,she saw a wallet( )onWhile( )on the street,she saw a wallet( )on the ground.A.wakl;lay B.walking;lying C.walked;lying D.walking;lay答案是B,想问一下理由,谢谢 I saw a boy ____(run)from the cinema then. 句型转换：1、He is a boy of eight .(同义句转换）He is ___ ___ boy .2、I didn't see anything improtant in yesterday's paper .(同义句转换）I saw ___ ___ in yesterday's paper .单句改错：1、The wallet is coolest of all the things While the man was watching the picture,the thief --- his wallet.选择A.was stealing B.stolewhy?steal在英语中是短暂性动作么?另外,When I passed the school yesterday,I saw a boy stealing something.对么?那么，While the man was watching i saw a boy.the boy was playing with a cat.i saw a boy _ _ _ _ a cat合并为一句 They saw a boy playing on the street.（被动）A boy _____ _______ _____ on the street. Yesterday I saw a wallet l___ on the ground when I was walking in the street. 这里该填lie还是lying请给我讲解一下,谢谢 while 【 】on the street,she saw a wallet【 】on the ground1.walked,lay 2.walking,lying 3.walked,lying 4.waking ,lay 为什么不是4, Miss Green saw a wallet___on the ground when she walkedMiss Green saw a wallet ____ on the ground when she walked past the school gate.A.lie B.lying C.lies D.to lie when the little boy saw the dog ,he was a-----是首字母填空 l saw a little boy fall into the water.是用fall还是falling? I saw a boy fall off the bike and hurt himself.还是I saw a boy falling off the bike and hurting hiI saw a boy fall off the bike and hurt himself.还是I saw a boy falling off the bike and hurting himsilf。 l saw a very cute boy in the park this morning.改为一般疑问句 I saw a very cute boy in the park this morning.改为一般疑问句.