Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
| A．to do | B．to have done |
| C．to be doing | D．to have been doing |
My father will notus to drive his new car.
| A．agree | B．allow | C．have | D．let |
We’ll have to finish the job, _________.
| A．long it takes however | B．it takes however long |
| C．long however it takes | D．however long it takes |
Most girls prefer nice clothes________ nice food.
| A．of | B．for | C．with | D．to |
She couldn’t ______ her words _______ by the students.
| A．get…understanding | B．get…understood |
| C．get… to understand | D．make…understand |
She looks sad. Could you please tell me ____ that prevents her from being as happy as before?
| A．what it is | B．it is what | C．how it is | D．it is how |