题目内容
-Can you tell me how to go to Hawaii?
-It's best __________ by air if you want to visit Hawaii.
-It's best __________ by air if you want to visit Hawaii.
[ ]
A. to traveling
B. traveling
C. to travel
D. travel
B. traveling
C. to travel
D. travel
C
练习册系列答案
相关题目