问题
选择题
How long has your brother ___ the army?
A.joined
B.taken part in
C.been
D.served in
答案
答案:D
join和 take part in是短暂性的动词,不用在完成时态中,C选项没有介词,后面不能接the army,只能说成是has been a soldier,所以选D选项。
How long has your brother ___ the army?
A.joined
B.taken part in
C.been
D.served in
答案:D
join和 take part in是短暂性的动词,不用在完成时态中,C选项没有介词,后面不能接the army,只能说成是has been a soldier,所以选D选项。