____ many times, but he still doesn’t know how to do it.
| A．He has been told | B．Having been told |
| C．Having told | D．Being told |
.Cleanig woman in big cities usually get ______by the hour.
| A．pay | B．paying | C．paid | D．to pay |
What worried the child most was ____to visit his mother in the hospital .
| A．his not allowing | B．his not being allowed |
| C．his being not allowed | D．having not been allowed |
Acomputer does only what thinking people _______.
| A．have it to | B．nave it done | C．have done it | D．having it done |
.I’v worked with children before ,so I know what ______in my new job.
| A．expected | B．to expect | C．to be expecting | D．expects |
The purpose of new technologies in to make life easier, _______it more difficult.
| A．not make | B．not to make | C．not making | D．don’t make |