A British official said that_____ this impractical policy could be changed , the future for Britain was indeed dark.
| A．unless | B．when | C．if | D．until |
I wonder how much ________.
| A．does the watch cost | B．did the watch cost |
| C．the watch costed | D．the watch costs |
When and why he came here ________ yet.
| A．is not known | B．are not known | C．has not known | D．have not bee |
I am sure ________ he said is true.
| A．that | B．about that | C．of that | D．that what |
He asked me ________ with me.
| A．what is the trouble | B．what wrong was |
| C．what was the matter | D．what trouble it is |
It is generally considered unwise to give a child ____ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |