摘要：[a:] A.plate B.change C.many D.dance
网址：http://m.1010jiajiao.com/timu3_id_2849096[举报]
How long has your brother
?[
]A
． been in the army B．become a PLA manC
．joined the army D．begun to work in the army 查看习题详情和答案>>My friend Tom ______ the PLA two years ago.
[ ]
A. took part in B. has joined
C. joined D. has taken part in
查看习题详情和答案>>根据汉语意思完成英语句子，每个空格填一个单词。
在解放军的帮助下，汶川人民已经克服了很多困难。
The people in Wenchuan ________ ________ ________ a lot of difficulties with the help of the PLA．