1、【单选题】2. i cannot give you ____________, it would be unfair not to give you a present. a、a) nothing b、b) anything c、c) something d、d) everything
2、【单选题】3. that company expects to pay all its debts ____________ shortly. a、a) down b、b) in c、c) off d、d) away
3、【单选题】4. science assures that highly evolved beings ____________ exist on the stars and planets around us, if life is common in the universe. a、a) should b、must c、c) would d、d) could