牛津深圳版七年级下Unit4 Save the trees检测题含答案
六.用给单词的适当形式完成句子。
59. We should do our best ___________ (save) trees.
60. There are _________ (million) of stars in the sky.
61. He is a strong _________ (fight) for the right(权利) of the children.
62. There are many kinds of ________ (gas) in the air.
63. I spent the morning ___________ (dig) in my garden.
64. When the teacher came in, the student stopped ________ (talk).
65. --- Why can’t these trees grow in the north?
--- Because cold weather is ________ (harm) to them.
66. Can you tell me when _________ (plant) the tree?
67. Many ________ (live) things will lose their homes because of deforestation.
68. We can use trees __________ (make) paper, so trees are important to us.