Therearemanythingsindifferentareas________wecandotoreducethepossibledangersofAIDS.
A. where
B. there
C. what
D. that
查看答案
Theengineer________myfatherworksisabout60yearsold.
A. towhom
B. onwhom
C. withwhich
D. withwhom幻灯片32
Hehastwosons,________workaschemists.
A. twoofwhom
B. bothofwhom
C. bothofwhich
D. allofwhom
Heisamanofgreatexperience,________muchcanbelearned.
A. who
B. that
C. fromwhich
D. fromwhom
CarolsaidtheworkwouldbedonebyOctober,________personallyIdoubtverymuch.
A. it
B. that
C. when
D. which