______ he realized it was too late to return home.
| A．Not until dark | B．It was until dark that | C．It was not until dark that | D．It was dark that |
The retired man donated most of his savings to the school damaged by the earthquake in Yushu ,________the students to return to their classrooms.
| A．enabling | B．having enabled | C．to enable | D．to have enabled |
With Father’s Day around the corner ,I have taken some money out of the bank ______ presents for my dad.
| A． buy | B．to buy | C．buying | D．to have bought |
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 |