19. 单句改错
（1） I won't have you telling me what to do.
（2） Claire had her luggage check an hour
before her plane left.
（3） The private store bought an estate car
at the cost of ¥5000.
（4） He contradicts him sometimes in the
same sentence.
（5） He knocked the old man down with
purpose.
（6） This is just what I have long seeked
after.
（7） Why was Mr. Freeman opposed to continue
our experiment?
（8） Cactus plants are tolerant about
extreme heat.
（9） My deskmate was caught cheat in the exam
last week.
（10） I swapped my views for the other
members of the committee.
