Support structure under the Main St Bridge has corroded ----- faster than the bridge ’s designer had predicted.
A、alotA
暂无解析
Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
Tosucceedinascientificresearchproject________.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
1949年中华人民共和国的建立，标志着中国从半殖民地半封建社会进入_________。
Hethoroughlyunderstoodthesociety__________.
