Lesson14 is as _____as Lesson13 and few students can understand them clearly. A. difficult B. easy C. more difficult
- Do you often get some presents_______ Christmas Day? - Yes. And we usually hold a party_______ it.
- Where is Simon? - He with two of his friends_______ games in the garden.
-_______ do you take some_______? -Every day. And I am very healthy.
It is impossible for humans to live on the moon_______ there is no water_______ air there.
Which underlined letters of the words have a different sound?