高等继续教育 / 电子商务英语
正确率:100%
题型描述: 单选题
A line of forts was built along the border to ______ _ the country against attack.
A.harbor
B.protect
C.cover
D.ensure
A line of forts was built along the border to ______ _ the country against attack.
A.harbor
B.protect
C.cover
D.ensure
参考答案:
佳题速递: