Not having promoted the new digital camera successfully, the company should ________ its original marketing methods.
| A．account for | B．reflect on |
| C．work out | D．call up |
He the job well, but heso careless.
| A．had done; had been |
| B．could do; was |
| C．could have done; was |
| D．hadn’t done; had been |
It is thought that one billion people I the world, _is half the word’s workers, earn their living by farming.
| A．if | B．that | C．which | D．what |
Let’s keep to the point, or we any decisions.
| A．will never reach | B．have never reached |
| C．never reach | D．never reached |
On the contrary, I think it is Truman, you, to blame.
| A．more than; are | B．less than; who are |
| C．rather than; that is | D．rather than; is |
—Hold the ladder for me!
—That’s .
| A．all | B．it | C．all right | D．complete |