Metal ____________ it.(you/heat/melts/if)

Metal ____________ it.(you/heat/melts/if) metal metal I have two ____________.( knife) ____________ are good friend(You,Tom,I) I often borrow books from ____________(they). Metal heart metal spike metal是什么意思 metal stamp metal stamp transition metal 英语翻译一个外国客户的询盘是：I'm interested in your metal channel,steel channel,steel profile .请帮忙翻译一下metal channel,steel channel,steel profile是什么意思? 动词后面接什么名词,比如 I use metal to make cans .metal为什么不用复数,老师说可数名词单数不能单独存在,为什莫metal是单数 What would I do if I ____________(上学迟到) Metal Dome, Metal Dome on Maylar sheet I can sing this English song ____________(good) I'm taller than you,____________?写反义疑问句