这是指什么材料?It is not stainless steelSent on the TELUS Mobility

这是指什么材料?It is not stainless steelSent on the TELUS Mobility Your pen is not h____.It's on the desk. it is not good() to play on the old people It is not r( ) to w( )on the desk 英语翻译This is a white ashtray,it is stainless steel,the outwar happiness is not a flash in the pan,it goes on and on and on Is it on the 英语翻译On The Floor is not the second coming,but it is a refres The book is not easy .On the contrary it is rather difficult It is easy to climb the hill 和 I found it not easy to get on This is not my book.It's( ).There is my name on the cover of the pen is on my desk .it is not mine (定语从句的复合句）