1£®Though I'm not familiar with the poem, I'll try to learn it by heart.

2£®The children's performance (perform) gave the elders a lot of pleasure last week.

3£®I never dreamed of there being (be) such a good chance for me to travel around the world.

4£®When her mother came into her room, Mary pretended to be sleeping (sleep)£®

5£®In my opinion£¬forming (form) good habits to learn English is very important and necessary.

6£®Mother bought many tomatoes from the market two days ago, most of which have gone bad because of the bad weather.

7£®When I was in middle school, I relied on my parents about everything.

8£®He earned his living by growing vegetables after he graduated.

9£®Don't break in when he is telling the story.