yzch25
幼苗
共回答了22个问题采纳率:77.3% 举报
for后面可以加原因,for在句中
如We must start early,for it will take two hours to drive to the airport.这里for是连词,连接两句句子
又如I am sorry for what I said to you.
for是介词
by的意思是通过...的方式/方法,一般指...通过这个方法达到...目的,但本句没有人们刻意为之的意思
as是连词,但这里the rapid growth of short messages sent by cellphones不是句子
With the rapid growth of short messages sent by cellphones,the increasing number of criminal cases appeared through short messages.
随着用手机发的短信的迅速增长,用短信犯罪的人也越来越多.
1年前
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