托业考试

试题来源：托业-1
【单选题】 By the end of this century, business ______greatly.
A．(A) will be changed
B．(B) will have changed
C．(C) changes
D．(D) changed

参考答案：B
网考网解析：
Future perfect tense indicates a future action tha... 查看试题解析出处>>