问题

he rise of modern communication tools,handwritten letters ______ by emails.

A:will replace
B:have replaced
C:are replaced
D:are beingreplaced

正确答案是：

同类题型

Mom, why are you _________my plan to travel around the world—Because you’re too young to look after yourself.

Most people are ____ reducing the students’ heavy burdens[ ]

32. Not until he told me the news __________ the truth.

Must I show you how to play the game?—Oh,thank you.I______how to do it

Must I return the dictionary today—No, you _________. But you _________ return it tomorrow.