It remains to be seen________North Korea will remain stable under its new young leader.
| A．when | B．whether |
| C．why | D．That |
You think your ruler is very long，but his is _________yours.
| A．twice as long as | B．three as long as |
| C．twice longer as | D．once as longer as |
—What’s the time，please?
— It’s _________.
| A．half past nine | B．half to nine |
| C．nine half | D．half nine |
The old building was founded_________ .
| A．in 1820s | B．in the 1820 |
| C．in the1820s’ | D．in the 1820s |
There are 2000 boys in this school，and _________them like playing football.
| A．five hundred | B．five hundreds |
| C．five hundreds of | D．five hundred of |
About _________men and women are in the square.
| A．two thousand | B．two thousand of |
| C．two thousands | D．thousand of |