【单选题】
the old couple decided to ____ a boy and a girl though they had three of their own.
【单选题】
The number of pages in this dictionary ___ about two thousand.
【单选题】
7.He saw the police cars ______ around the corner.
【单选题】
We collected hundreds of _______ in support of not allowing cars into the city centre.
【单选题】
She wonders ____will happen to her private life in the future.
【单选题】
Since you have already come, you _____ stay here for a couple of days.
【单选题】
Chinahas launched a number of ____satellites since the 1970s.
【单选题】
A number of foreign scholars [] invited to contribute articles to the magazine.
【单选题】
I hope you will remember the parking area and the ( )number.
【单选题】
A _________ is ten years