--- There must be a dozen pens in this h
题型:选择题
问题:
--- There must be a dozen pens in this house but I can never find one when I need one.
--- Keep looking. _____ is sure to turn up.
A.One
B.It
C.That
D.This
--- There must be a dozen pens in this house but I can never find one when I need one.
--- Keep looking. _____ is sure to turn up.
A.One
B.It
C.That
D.This