Will you _____ _____ a birthday present for her．A．join,in buying B．join,by buyingC．join,buying D．join,in
问题描述：
Will you _____ _____ a birthday present for her．
A．join,in buying B．join,by buying
C．join,buying D．join,in
答
Will you _____ _____ a birthday present for her．
答案:A．join, in buying join in doing sth.表示“加入到某项活动中来”。
答
A
join+n. 表示加入党派、组织等，其余就用join in
答
join in doing sth 意思为 加入做某事的行列