Although human evolution has _______ in the past 10,000 years, we are changing our environment faster still.
| A．linked up | B．loaded up |
| C．sped up | D．split up |
They won’t buy any new clothes because they _____ money to buy a new car.
| A．save | B．were saving |
| C．have saved | D．are saving |
People have heard _______ the President has said; they are waiting to see _______ he will do.
| A．how, how | B．what, what |
| C．when, how | D．that, what |
I left my pen on the desk and now it’s gone； who _____ it？
| A．took | B．has taken |
| C．will take | D．had taken |
Country life gives him peace and quiet, which is ______ he can’t enjoy while living in big cities.
| A．that | B．why |
| C．where | D．what |
We _____ to move but are still considering where to go to.
| A．are deciding | B．decided |
| C．have decided | D．had decided |