---What should we do to fight A/H1N1 flu?
---We should wash hands often, avoid ______ to crowded places and so on.
A. go B. going C. gone D. to go
---What should we do to fight A/H1N1 flu?
---We should wash hands often, avoid ______ to crowded places and so on.
A. go B. going C. gone D. to go
B