Small ads are very useful to us.
举一反三
- ______ the boss is hard on us at work, after work he is very kind to us.
- The stars_______ very small because they’re very far away from us. A: are B: look C: change D: become
- Scanning is very useful for us to find ______. A: specific names B: dates C: statistics D: facts
- Scanning is very useful for us to find ______. A: specific names B: dates C: statistics D: facts
- DNA is very useful for us, it many years ago. (1.0) A: discovers B: discovered C: is discovered D: was discovered