Sean’s ______(perform) at school has greatly improved..
举一反三
- Sean’s ______(perform) at school has greatly improved A: performing B: performance
- Sean’s ____ at school has greatly improved. A: performance B: perform C: performing D: Performed
- The __________ between the parents and the school has improved greatly.
- He's greatly improved his spoken English, ______? A: is he B: isn't he C: has he D: hasn't he
- Numerical and computer control of machine tools ________ productions and improved the quality of product. A: has greatly increased B: have greatly increased C: are greatly increasing D: was greatly increased