---WhatshouldwedotofightA/H1N1flu?---Weshouldwashhands...

问题详情：

 ---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

【回答】

B

知识点：动词和动词短语

题型：选择题