The house I grew up _______ when I was in Australia has been taken down and replaced by an office building.
| A．in which | B．in it |
| C．in | D．in that |
This is the reason ______he explained at the meeting for his carelessness in his work.
| A．that | B．what | C．how | D．why |
______ is a waste of time spending many hours ______ computer games every day.
| A．It; to play | B．That; to play |
| C．It; playing | D．That; playing |
He is a man of great experience ______ we can learn a lot.
| A．who | B．that |
| C．from which | D．from whom |
— After I expressed how sincerely I wished to get his help, he agreed to help me at last.
— I can understand. ___________ .
| A．A constant guest is never welcome |
| B．Practice makes perfect |
| C．Mind acts upon mind |
| D．Faith can move mountains |
All those second-hand goods are sold at ________ before.
| A．twice as lower price as | B．as twice low price than |
| C．twice as low a price as | D．twice lower price than |