They have no idea at all ____.
| A．what he is working on | B．what is he working on |
| C．what did he work on | D．what he is working |
As for the accident this time, I think it is Richard you, to blame.
| A．more than; are | B．less than; who are |
| C．rather than; that is | D．rather than; is |
On ________ our flight would be delayed, we made some other arrangements.
| A．being informed | B．informed |
| C．informing | D．having informed |
I want to be liked and loved for _______ I am inside.
| A．who | B．where | C．what | D．how |
What worried the woman most was ______ to visit her sick son in hospital.
| A．not allowing | B．not being allowed |
| C．not allowed | D．having not being allowed |
The thief used a ladder that had been ______ by some workmen, and climbed over the wall.
| A．left aside | B．left behind | C．left off | D．left alone |