介词7：during, through, besides, since…

27.during

在…期间	during his stay here during the two months.

28.through

经过	walk through the crowd.
取道/通过	travel through hong kong.
凭借	through one's help. 凭借某人的帮助 through the magazine. 透过这本杂志。
从(活动，场合)等开始到结束	through the whole meeting.
整段时间	through the day一整个白天。 through the night.一整个晚上。

29.besides

除…之外 besides = in addition to.

besides + n/doing = in addition to + n/doing besides basketball, he also enjoys tennis. in addition to basketball,…

30.till/until

till/until 直到…… not …until…直到…才…	he didn't come until 9 o'clock. not until 9 o'clock did he come. 他直到九点才来。
from…till… 从…到… = from…to…	we watched the movie from eight till ten. 那场电影我们从八点看到十点。

31.since

自从… since + 时间名词/doing

he has been ill since tuesday. since graduating from college, she has been working in this company.

32.beside

在…旁 beside = by	sit beside me. sit by my side.
与…相比较 beside = compared with. = in comparison with.	beside him，i'm nothing. compared with him，i'm nothing. in comparison with him，i'm nothing. 跟他比较，我便微不足道了。