Although they are twin sisters, they have nothing__________.
| A．in relief | B．in peace | C．in common | D．in cash |
--Do you know anyone in Paris?
--No, I’ll make friends once______ .
| A．I’m settled | B．I have settled |
| C．I’ll be settled | D．I’m settling |
The research is so designed that once ______ nothing can be done to change it.
| A．begins | B．having begun | C．beginning | D．begun |
He is always______fault with other people though he doesn’t do his own work properly.
| A．seeking | B．looking | C．finding | D．putting |
Meeting my uncle after all these years was an unforgettable moment, ____ I will always treasure.
| A．that | B．one | C．it | D．what |
Hardly ______ when the bus suddenly pulled away.
| A．they had got to the bus stop | B．they got to the bus stop |
| C．did they get to the bus stop | D．had they got to the bus stop |