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“Poor Grandma! I wish we could do something to cheer her up.” Amy said to her brother Mark.

Grandma had fallen and broken her _______. The doctor said she would be in bed for six weeks. Grandma was very active and loved to _______ in her garden, so she would not like sitting in her chair _______ her leg to become well again.

“I have a(n) _______,” said Mark. “I saw some pictures of terrariums（栽培盒）in a magazine. Terrariums are little indoor gardens that can be _______ in glass bottles. Let’s make a terrarium for Grandma, so she can enjoy a garden in her house.”

Amy agreed, _______ the two of them found the magazine which told them how to make a terrarium and showed it to _______ mother. She said that a terrarium would be a perfect _______ for Grandma. She helped Amy and Mark find a large, clear glass bottle. After a trip to the garden shop to buy the materials, they began to _______ the terrarium.

First, they put some drainage material（排水材料）at the bottom of the bottle. This would keep the soil（土壤）from getting too ________. Next, they added some dark, rich soil.

Now they were ready to add the plants. Amy had chosen ________ plants at the garden shop. One was tall with long, thin, green leaves. The other was short with bright pink flowers. To make the terrarium even more ________ , Amy placed rocks of different colours and bright green moss（苔藓）around the plants. ________, they watered the plants.

When Amy and Mark showed Grandma her new terrarium, she was so ________. Now she had a beautiful little ________ to enjoy right inside her home.