Lingling is behind Tony,so Tony is ______ Lingling.
across from
in front of
over
next to
方位介词。
根据题干中"玲玲在托尼的后面"可推断，托尼在玲玲的前面，in front of 意为“在.....前面”，故选B。
— Is that your book?
— No,it isn't ______. It's Mary's.
mine
my
me
our
人称代词。
句意：—— 那是你的书吗？—— 不，不是我的.那是玛丽的。此处用名词性物主代词，mine相当于my book。