“Things________never come again！” I couldn’t help talking to myself.
| A．lost | B．losing |
| C．to lose | D．have lost |
He had promised to come and help us, and ___.
| A．so did he | B．so he did | C．so had he | D．so he had |
I don’t have time to come to your house, but I could ___ at the end of the street.
| A．pick up you | B．pick you out | C．pick you | D．pick you up |
He doesn’t visit Mr. Black___.
| A．as many as he used to | B．as many as he was used to | C．as much as he used to |
| D．as much as he was used to |
It was in the house ___he used to live that the exhibition was held.
| A．where | B．that | C．as | D．which |
he said he would ring me up, but he didn’t ___my telephone number?
| A．Has he forgotten | B．Must he forget | C．Must he have forgotten | D．Could he have forgotten |