Question

no it can't him he has gone to the usa

--Is that Miss Lin over there？
--No．It___be her．She has gone to the USA．（　　）

A. mustn't

B. can't

C. won't

D. needn't

Answer 1

答案：B．各选项的意思是：A．不要；B．不可能； C 不会；  D 不必．根据语境she has gone to the USA．（她去了美国）可知不可能是Miss Lin，故选答案B．