摘要: Where are they going?
网址:http://m.1010jiajiao.com/timu_id_2280598[举报]
---Where are they going on vacation?
---They plan ______ to Hong Kong.
- A.flying
- B.to fly
- C.flies
- D.fly
网址:http://m.1010jiajiao.com/timu_id_2280598[举报]
---Where are they going on vacation?
---They plan ______ to Hong Kong.