英语求助啊！！！大家帮我解释一下每道题选择的原因把。

Question

1．Alice began to travel all over the world in her early________.
A．thirteen B．thirty C．thirties D．thirtieth
2．It is the first American movie of this kind ________I've seen.
A．which B．that C．what D．when
3．Don't keep the windows________.It's too hot in the room.
A．close B．closing C．closed D．to close
4．The coffee is wonderful! It doesn't taste like anything I ________before.
A．was having B．had ever had
C．have D．have ever had
5．—Do you have any plans about this winter vacation?
—I plan to go ________because it's too cold here.
A．somewhere cold B．anywhere warm
C．somewhere D．anywhere cold

Answer 1

1. C. in one's twenties/thirties/forties/fifties
2. B. it is...that强调句
3. C. keep the window closed让窗户关着
4. D 与before连用的时态是现在完成时
5. B. 因为后面提到这里太冷，所以要去暖的地方。

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