1The 30th Olympic Games will be held London ( ) about six weeks this year A.at B.on C.after D.in
问题描述：
1The 30th Olympic Games will be held London ( ) about six weeks this year A.at B.on C.after D.in
2.She likes trekking () the jungle.
A.over B.under C.across D.through
说明理由,急
答
第一题选 D
in 一般用于将来时间
第二题 选 D
题意是 她喜欢徒步穿过丛林 而区别于 C项 C一般是横穿街道