Where has David been in the past several days?
举一反三
- Where is David? He ( ) to the reading-room. A: has been B: went C: has gone D: goes
- — What is the weather like these days — It has been warm for () few days. A: past B: passing C: the past D: pass
- These ideas ____ the inspiration for her low-carbon program over the<br/>past several years. A: was B: is C: has been D: have been
- David has been
- _______ you know, David has been well lately.