试一试: Woman: How long did you watch TV last night? Man: I watched it ___ eleven. Then I went to bed. 选出那个男人会说的话。 (during / until / from) 答案: until — 他看电视看到十一点就不看了，所以是 until eleven。
by（最晚在……之前）
一件事在那个时间或更早发生，用 by。
Please finish it by Friday.
I'll be home by six.
试一试: Man: When is the application due? Woman: You have to send it ___ June 1. After that, it is too late. 选出那位女士会说的话。 (by / until / during) 答案: by — 6 月 1 日是最后一天，所以他最晚要在那天寄出：by June 1。
from … to（从……到……）
from … to 说出开始和结束：from nine to five。
I work from nine to five.
The class is from Monday to Thursday.
试一试: Man: Can we meet at 12:30? Woman: No, I have lunch ___ twelve to one. 选出那位女士会说的话。 (during / by / from) 答案: from — 十二点是开始，一点是结束，所以是 from twelve to one。
during（在……期间）
during + 一件事发生的那段时间：during a class，during a trip。
Don't use your phone during class.
I read a lot during the trip.
试一试: Man: Did you sleep on the plane? Woman: Yes, ___ the whole flight. 选出那位女士会说的话。 (until / during / by) 答案: during — 她是在飞行的那段时间里睡觉，所以是 during the flight。
until 还是 by？
一件事持续一段时间然后停下，用 until。一件事只发生一次，在那个时间或更早，用 by。
I'm at work until six.
I'll finish by six.
试一试: Man: When do I have to give back your laptop? Woman: Please give it back ___ five. I need it tonight. 选出那位女士会说的话。 (until / during / by) 答案: by — 她五点或更早就要用，所以他要在五点前还：by five。