Aftertheirofficialtalks，thetwocountriesagreedto     apo...

问题详情：

After their official talks，the two countries agreed to      a positive，cooperative，and comprehensive China-US relationship for the 21st century．

  A．build up    B．put up    C．take up    D．break up

【回答】

A

知识点：动词

题型：选择题