Anumberoftallbuildingshavearisen
问题详情：
A number of tall buildings have arisen ______there was nothing a year ago.
A. when | B. where | C. before | D. until |
【回答】
B
知识点：连词
题型：选择题
问题详情：
A number of tall buildings have arisen ______there was nothing a year ago.
A. when | B. where | C. before | D. until |
【回答】
B
知识点：连词
题型：选择题
