The president is talking on ____ phone with astronautsin ____ space.

The new survey shows that the number of students ______ computer games has been increasing in recent years.

Which is _______ to understand, this book or thatbook—- I think both of them are quite easy.

(江苏省南通市2009期末调研)Miss Li ______ as a secretary for five years in the company, and now she is general manager of it

Could I watch a movie— . You should prepare for your math exam.