Mr Black who is a is in love with Miss Smith who is a .A. cooker typewriterB. cook typ

问题补充：

Mr Black, who is a , is in love with Miss Smith, who is a .

A. cooker,typewriter

B. cook,typist

C. cooker,typist

D. cook,typewriter

答案：

A. cooker,typewriter

(答案→)B. cook,typist

C. cooker,typist

D. cook,typewriter

解析：cooker炊具；cook厨师； typewriter打字机； typist打字员。根据句意故选B。