— Shall I give you a ride since you live so far away?
— Thank you. _______.
| A．It couldn’t be better | B．Of course you can |
| C．If you like | D．If you are convenient |
It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
| A．produced | B．producing |
| C．to produce | D．having produced |
________ clearly ________ nothing to do, the soldiers left the village the next day.
| A．It; was | B．It; being |
| C．There; was | D．There; being |
—I regret ________ you that your application has not been successful.
—Not successful? I performed pretty well in my interview!
| A．informing | B．to inform |
| C．having informed | D．to have informed |
—Hi, Kathy! Any plans for tonight?
—Not yet, Tim. I ________ where to go for dinner.
| A．was wondered | B．was wondering |
| C．will wonder | D．had wondered |
Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
| A．has served | B．had served |
| C．is serving | D．served |