26.I really don’t know____I had my walet stolen.
| A．when it was that | B．that it was when | C．where was it that | D．it was where that |
Washington D.C. ______ between Virginia and Maryland on the Potomac River.
A. lays. B. lies C. sits D. seats
They planned to go to Beijing for sightseeing, but because of their daughter's unexpected illness they had to stay at home _____.
| A．instead | B．really | C．however | D．though |
And video cameras can be used to_______ people’s actions at home.
| A．keep | B．make | C．record | D．watch |
The international police has come into existence and they were ____ the key to global security.
| A．thus | B．for | C．or | D．otherwise |
The boy was in the water and his canoe was_______ away.
| A．running | B．floating. | C．flowing | D．pulling |