【题目】He ________ since last year.

【题目】Many people take part in ________ trees on Tree Planting Day.

【题目】一I have difficulty in learning Chinese. Could you give me some help?

【题目】Hurry up,or we won't ________ school on time.

【题目】一I worked as a volunteer in the school library last Friday afternoon.

【题目】Ancient Greeks used a giant wooden horse to capture the city of Troy.

【题目】—Have you known why Tom was absent yesterday?

【题目】It's time for me goodbye to my mother school. I will never forget all my love.

【题目】How about ________（have）some bread?

【题目】— I wonder at 6:00 yesterday afternoon.