Đáp án: talking
Giải thích: who to V: ai để làm gì => to talk
Dịch: Chúng tôi không biết nói chuyện với ai khi gặp khó khăn.
Describe a camping holiday. (Viết đoạn văn tiếng Anh kể về một kì nghỉ đi cắm trại của bạn.)
The demand for the tickets was so great that people queued day and night.
=> So ________________________________.
Is an inexperienced civil servant _______ to the task of running the company?
The paintings that were stolen from the museum haven't been found yet.
=> The painting _____________________________.
Write a paragraph of about 70 words about your favourite means of transport.
Talk about what tourists should or should not do if they are on an ecotour to a tourist attraction in your local area.
A building was destroyed in the fire. It is now being rebuilt. (using the relative pronoun)
=> The building ___________________________________.
Turn these sentences into passive voice: People say that he works 16 hours a day.
Write a letter to your friend to tell about your last holiday (about 100 words).
Fill suitable preposition or particle: Roger took painting _____ for a while but soon lost interest.