Look!There _____(be) a book and two pencils on the desk.横线里是填is还是are?为什么?
问题描述：
Look!There _____(be) a book and two pencils on the desk.横线里是填is还是are?为什么?
答
Look!There _is__ a book and two pencils on the desk.
and链接前后两个并列的物体, and前面用了'a', 所以可以知道book只有一本, 所以用is.
答
is
book是单数，无视其他
答
is
there be句型适用就近原则,
e.g.There is a book and two pens.
There are two pens and a book.
答
is 就近原则