can't you see there is a pair of glasses on the desk?为什么句首是c

can't you see there is a pair of glasses on the desk?为什么句首是c ______ you see there _____ a pair of glasses on the desk There is a pair of glasses on the desk. 分析一下句子成分,是主谓宾的那种. a pair of broken glasses ——on the desk There is a pair of glasses on the table.(改为复数形式） the pair of glasses on the desk (be)mine The pair of glasses() on the bed now?A.are B.is C.was D.were The man___a pair of glasses is Mr.Green.A.in B.on C.with D.h A pair of glasses are on her desk.哪错 There_______ (be)a pair of glasses on the desk just now There____a book,some pens and a pair of glasses on the desk. There is a pair of trousers there.Can you see ___?