The students will discuss a number of cases ____ beginners of English fail to use the language properly.
| A.where | B.who | C.which | D.as | 
I don’t like talking on __ telephone; I prefer writing __ letter.
| A.a, the | B.the, / | C.the, the | D.a, / | 
A bullet hit the soldier and he was wounded in __ leg.
| A.a | B.one | C.the | D.his | 
The warmth of __ sweater will of course be determined by the sort of __ wool used.
| A.the, the | B.the,/ | C./, the | D./, / | 
Mr. Smith, there’s a man at __ front door who says he has __ news for you of great importance.
| A.the, / | B.the, the | C./, / | D./, the | 
There are only twelve_____in the hospital.
| A.woman doctors | B.women doctors | 
| C.women doctor | D.woman doctor |