Let’s keep to the point or we ___________ any decisions．
A．will never reach B．have never reached
C．never reach D．never reached
In the Great Depression, the American government couldn’t find good solutions _____ the unemployment problem
A．of B．to C．on D．about
In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind．
A．it marked B．marking C．marked D．to mark
I spent five hours_____________ the book__________ I paid 10 dollars．
A．reading; that B．to read; for that C．read; which D．reading; for which
With five hungry children seated round the table, the food disappeared_____________．
A．on time B．in time
C．at no time D．in no time
—You haven’t been to Beijing, have you?
—______________．How I wish to go there!
A．Yes, I have B．Yes, I haven’t C．No, I have D．No, I haven’t
