问题

Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly
A:is changing
B:has changed
C:will have changed
D:will change
B:has changed
C:will have changed
D:will change
正确答案是:
同类题型
re one is _______ the English-speakingenvironment, the better he or she will learn the language
Look! The two boys always come in and go out in pairs —That’s really as a saying goes, “_______”
What’s the weather like in Qinghai in winter—There is ________snow and it is ______cold.
Peter and I are going to a movie tonight.–___________________.