—How many students will attend James’ course?
—I suppose there will be not more than ten, ______, for it is too difficult.
| A．if so | B．if any |
| C．if possible | D．if ever |
---How many eggs are still there in the fridge, Bill? --_____.
| A．No one | B．No | C．Not | D．None |
About ___ of the teahers is our school ___ young people under thirty.
| A．two-five, are | B．second-fifth, is | C．two-fifths, are | D．two-fifths, is |
___Mr. Chen is waiting outside to speak to you. He appears to be quite ___ important person.
| A．/, an | B．A, an | C．The, the | D．The, / |
Suan! Where have you been? You have no idea ___ worried I was !
| A．how | B．what | C．that how | D．what |
___ my opinion, Americans eat too much meat.
| A．in | B．over | C．on | D．above |