I saw Mary.Mary was reading under a big tree.合并为一句

I saw Mary.Mary was reading under a big tree.合并为一句 When I saw Mary,she ______ on the piano.选项:a、is playing b、plays c、 was playing d、played Mary Lucy _____(tell) you what I saw last night Mary Lucy _____(tell) you what I saw last night mary Mary:()() Mary was hard at _____ when I got home. Mary came into the ba ras i was giong to 用非谓语动词简化下列句子 When she saw the tiger,Mary was frightened. i think i saw mary worked in the library last night为嘛不是working,原因 I’m Super Mary -Whose book is this?-It must __ Mary.I saw her read it this morning. confidence was lacked by mary. 填空 （）was Mary bron 英语-主语补语John hoped the passenger would be Mary and indeed it was (she).I saw her with them,at least,I thought it was (her).这两个句子中的主语补语为什么不同? There was a strange sound outside .Mary went out and _______ around ,but she ______ nothing.A.lookded saw B.saw saw C.watched looked D.looked find 过去进行式和过去式a kind man called the police when he saw the accident后面 when he saw the accident 是一个动作Mary was having dinner when i saw herwhen i saw her 也是个动作 为什么前者用过去式 后者用进行市?什么 Where is Mary ? She _____in the cinema an hour ago.( )A. saw B, was seen C. is seen