______ by jeep, we visited a number of cities in South China.
#91867
A
Traveling
B
Traveled
C
To be traveling
D
Having traveled
推荐题目
The teacher said he needed _____ boys besides his students _____ the classroom. 
#97946
A
20 other; clean  
B
20 more; to clean
C
20 more; cleaning
D
another 20; clean