Đáp án:
1. Could you tell me when I should explain everything to our teacher?
=> Could you tell me when to explain everything to our teacher?
2. Let us decide when we should start the project.
=> Let us decide when to start the project.
3. Could you tell me where I can find a good hotel?
=> Could you tell me where to find a good hotel?
4. We must find out what we are to do next.
=> We must find out what to do next.
5. A good dictionary tells you how you should pronounce the words.
=> A good dictionary tells you how to pronounce the words.
HỌC TỐT!!!
Tiểu Khôn