问题
选择题
They __________ all over the country. So they plan __________ some other countries.[ ]
A. have traveled; visit
B. traveled; to visit
C. traveled; visiting
D. have traveled; to visit
答案
答案:D
They __________ all over the country. So they plan __________ some other countries.[ ]
A. have traveled; visit
B. traveled; to visit
C. traveled; visiting
D. have traveled; to visit
答案:D