--Sorry, it's already 6 o’clock. I have to be off for an appointment.
--OK. ________.
| A．It couldn’t be better | B．You really have me there |
| C．Let’s call it a day | D．Take your time |
(2009·湖北) As there is less and less coal and oil, scientists are exploring new ways of making use of __________ energy, such as sunlight, wind and water for power and fuel.
| A．primary |
| B．alternative |
| C．instant |
| D．unique |
It is reported that the police will soon __________ the case of two missing children.
| A．look upon |
| B．look after |
| C．look into |
| D．look out |
This special school accepts all disabled students, __________ educational level and background.
| A．according to |
| B．regardless of |
| C．in addition to |
| D．in terms of |
He has a talent for __________ and planning everything well.
| A．looking ahead |
| B．looking behind |
| C．looking up |
| D．looking for |
If only I__________ to Beijing last summer!
| A．can fly |
| B．could fly |
| C．flied |
| D．had flown |