We are going to the pier to see a friend（ ）. He is sailing for Europe.
A、
of
B、
off
C、
away
D、
out
【正确答案】：B
【题目解析】：
see...off：给某人送别，选B。句意：我们要去码头给一个朋友送行。他正启航去欧洲。
We are going to the pier to see a friend（ ）. He is sailing for Europe.
We are going to the pier to see a friend（ ）. He is sailing for Europe.
of
off
away
out
see...off：给某人送别，选B。句意：我们要去码头给一个朋友送行。他正启航去欧洲。