We work together to achieve our common purpose： ________ world that is safer， cleaner and healthier than ________ one we are living in.
| A．the ； / | B．a ； / |
| C．the ； the | D．a ； the |
Could I borrow your car? I'd go downtown. ___
| A．yes, you may borrow | B．yes, you could |
| C．yes, help yourself | D．yes, go on |
__we didn't get seems better than __we had.
| A．what what | B．what that |
| C．that that | D．that what |
The plane leaves at 9:00 p.m. So I have to be at the airport __8:00 p.m. at the latest.
| A．until | B．after | C．by | D．around |
____! The traffic is heavy.
| A．Take careful | B．Watch out |
| C．Be care | D．Come on |
Father was too tired. He prefer staying at home to -------.
| A．going to the cinema | B．goes to the cinema |
| C．go to the cinema | D．went to the cinema |