This machine __________ It has worked for years.
| A．didn’t work |
B．wasn’t working |
C．doesn’t work |
D．isn’t working |
The building project ________ next year is not easy ________ in time.
| A．being carried out; to complete |
| B．carried out; to be completed |
| C．to be carried out; to complete |
| D．to be carried out; to be completed |
It's no good ________ here this morning. Come again on Monday.
| A．wait | B．waiting |
| C．having waited | D．to be waiting |
All the books ________ by the students are reported to have been sent to the children in the countryside the other day.
| A．having offered | B．to be offered |
| C．offering | D．offered |
If you decided to study in America, you have no choice but ________ your English greatly.
| A．improves | B．improving |
| C．to improve | D．improve |
Barbara often makes a schedule to get herself ________ of what she is to do in the day.
| A．remind | B．reminded |
| C．reminding | D．to remind |