问题

So quickly ____________ that what is a possibility today may be a reality tomorrow[ ]
A: is science advancing
B: science is advancing
C: will science advance
D: science will advance
B: science is advancing
C: will science advance
D: science will advance
正确答案是:
同类题型
Many people are in great need of extra food.-Yes.It is a challenge to________all their needs.[ ]
Can you _______ at 7:00 tomorrow morning—OK!
This is ____pen. It’s _____ English pen.
traffic in the city was ____ today,so Mary got home earlier than usual.
Melissa, __________ the alarm clock for 6 o’clock, or you will oversleep and be late for the train