Grammar Unit 4 For a better community

UNIT 4 GRAMMAR ANH LỚP 10 

💬 Choose the best answers to complete the sentences.

🙇 Chọn các câu trả lời đúng nhất để hoàn thành các câu

❶ While we were collecting are collecting collect collected information for our presentation last month, we discovered that lots of people in our neighbourhood needed help.
❷ When we visited Mrs Lan this morning, she is preparing was preparing has prepared prepares her lunch.
❸ She told us her life story while we are helping have helped were helping in help her tidy the house.
❹ While we were cleaning her kitchen, we are hearing were hearing hear heard a knock at the door. It was another old lady who lived next door.
❺ We are deciding were deciding decided decide to help old people clean their houses while we were talking to them later that day.
❻ While we were helping are helping help were helped at the food bank, we met an old friend.
❼ An old lady came to us and asked for help while we are waiting have waited were waiting wait at the bus stop.
❽ When we came to the local orphanage, all the children there are having were having have had have their dinner.

👁 Answer
❶ were collecting
❷ was preparing
❸ were helping
❹ heard
❺ decided
❻ were helping
❼ were waiting
❽ were having