1. There are two main kinds of sports: team sports and ____ sports.
A. individual B. separate C. competitive D. popular
Đáp án: A
2. Football is the ___ sport in the world. It is considered “the king sport”.
A. more popular B. popularer C. most popular D. populares
Đáp án : C
3. It is ______ to skate there because the lake has just been frozen.
A. dangerous B. safe C. popular D. interesting
Đáp án: A
4. This river is not ______ enough for children to swim in.
A. clear B. clean C. polluted D. cold
Đáp án: B
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