Concrete is basically a mixture of two components: （） and a （）.
举一反三
- Concrete is basically a compressive material and has good tensile strength.
- The two components of the British parliament are ( ) and ( ).
- What are the two components of the topic sentence?
- h_______________ a.consisting of or coming from a mixture of two or more things
- Sustainable Energy has two key components: ______ and ______ .