问题
选择题
— Tom, is your brother a member of the Swimming Club?
—Yes. He _________ it for five years.
A．has joined
B．has been in
C．joined
D．has joined in
答案
答案：B
此题重点考查延续性动词的用法，因答语是段时间，故谓语动词要用延续性动词。join是非延续行动词，不能和段时间状语连用。