1. someone is ________(KNOCK) the door
2. __________(DON'T TALK) in the class when the teachers are explaining the lesson.
3. Why you always _____(FORGET) your pens?
4 It's a pity that she __________(NOT UNDERSTAND) what I am saying at the moment
5 I (DO)_______ the housework when I come home.
6 It's very wonderful for us (ENJOY)________ the peaceful life in the country
7 Do you smell something (BURN)___ in the kitchen
8 You'd better (NOT GO)__ out late at night
9 You should bring ____ water so you don't get thirsty (BOTTLE)
10 In the future, many people will live in __ with a population of over ten million people (CITY)
11 These products are ______ friendly (ENVIRONMENT)
12 Many people in this area have cholera because they drink ____ water (TREAT)
13 The yellow color of five-colored sticky rice ______ Earth (SYMBOL)
14 She lives in a small village and its ____ are very beautiful (SURROUND)
15 Did you join the sports ______ last week, Tom? (COMPETE)


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