john is traveling around the united states and
now is coming en route to chicaco.
以上是文法挑錯的句子
四個選項分別是
a. traveling
b. the united states
c. is
d. to
四選一?
那兒錯了 ... ?
i don't want to quit my job；i have held this position
from five years ago until now.
a. to quit
b. have
3. from
4. until
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