----- Nội dung dịch tự động từ ảnh -----
1. Mr. and Mrs. Smiths still don't know ______________ to invite to their wedding next month.
A. where B. who C. when D. how

2. He searched the Internet to find out ______________ to catch the bus to the city center.
A. where B. when C. who D. what

3. Our new neighbours wonder ______________ to do to improve the local community.
A. how B. what C. where D. when

4. The team members still can't decide on ______________ to hold the meeting, whether at the conference room or at the training centre.
A. when B. how C. what D. where

5. We’re planning a trip to Ninh Binh next week. Any suggestions on ______________ to stay in that area?
A. when B. how C. what D. where

6. I need some help with this problem, but I don't know ______________ to ask for assistance.
A. when B. who C. what D. where

7. I've just finished my favourite series. Any recommendations on ______________ to watch next?
A. who B. how C. what D. where

8. I have some new plants at home. Can you advise me on ______________ to water them, in the morning or in the evening?
A. when B. how C. what D. where

9. I don't know ______________ to cook this dish. Can you share with me your recipe, please?
A. when B. how C. what D. where