杭州交通信息网有关青海师范大学:english problem
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If you receive an email with an MP3 file for the latest songs from pop singer Stephanie,___careful becoz it may carry a virus.
A being B you being C you are D do be
A being B you being C you are D do be
把句子简单看
就是
if you receive an email,______careful.
这样看的话就会发现少个动词，只有D了。
e.g. if you die, die quietly(~~)
if you are hungry, just eat something.
be careful 前面加do 是强调语气(应该是)
e.g. i do love you
do remember to bring the book
D
强调吧.
D 祈使句。本题是条件状语从句，主句必须完整。
A B 是独立主格机构
C 语意不和。
d 祈使句