第二次世界大战后初期，出现了一系列国际经济组织。下列组织的建立最能说明
I will never forget the people help me a lot in my life．（ ）
whose
when
which
who
We should study hard we can get much knowledge．（ ）
so that
unless
in order to
My father asks me in the street．It's dangerous．（ ）
not to play
not play
not playing
don't play
﹣Excuse me，do you know every day？
﹣It closes at 9：00 p．m．（ ）
when does the library close
when will the library close
when the library closes
when the library closed
I will go camping if it this weekend（ ）
won't rain
isn't raining
don't rain
doesn't rain
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