_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
| A．To save | B．Save |
| C．Saving | D．Having saved |
Mrs.White showed her students some old maps ______ from the library.
| A．to borrow | B．to be borrowed | C．borrowed | D．borrowing |
The lawyer listened with full attention， to miss any point．
| A．not trying | B．trying not |
| C．to try not | D．not to try |
A great number of students said they were forced to practise the piano.
| A．to question | B．to be questioned |
| C．questioned | D．questioning |
It rained heavily in the south，serious flooding in several provinces.
| A．caused | B．having caused | C．causing | D．to cause |
I have a lot of readings _____ before the end of this term.
| A．completing | B．to complete | C．completed | D．being completed |