But cellphones had been around for 15 years before they caught on with() America. By that yardstick, broadband-widely available for only the past couple of years-has many more miles to go.
A: main-topmast
B: mainstay
C: main artery
D: mainstream
A: main-topmast
B: mainstay
C: main artery
D: mainstream
举一反三
- How many years has the company been operating A: 15 years B: 20 years C: 25 years D: 30 years
- Much more money has been earned in the past two years than .
- How many years had Rip been asleep?( ) A: twenty years B: ten years C: fifteen years D: thirty years
- Only in the past few years _______ to improve the living conditions in this area. A: something has been done B: there is something done C: has there something been done D: has something been done
- It has been more than five years _______they met last time in Wuhan. A: since B: before C: for D: unti