The research is so designed that once________nothing can be done to change it.
| A．begins | B．having begun |
| C．beginning | D．begun |
___ in the fascinating book , he did not notice a thief enter his room.
| A．To absorb | B．Absorbing | C．Absorbed | D．To be absorbed |
The milk must be preserved at this temperature until it ____.
| A．will process | B．is processed | C．has processed | D．had been processed |
--- Is everyone here ?
--- Not yet … Look, there ___ the rest of our guests !
| A．come | B．comes | C．is coming | D．are coming |
Your car should be ready by 12 o’clock, but ___, I’ll let you know.
| A．if possible | B．if ever | C．if anything | D．if not |
-- Have you got everything ready for the party , Kate ?
--- Yes, the decorations are all ___ now.
| A．in place | B．in detail | C．in reality | D．in total |