In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and___________the possibility of a second earthquake in this area.
26. If Tom’s wife doesn’t go to the party, _________.
25. You can put the medicine____you like, on condition that the children can’t reach it.
24. There were two boys in the lab,__________did the experiment successfully.
23. The customer didn’t choose______of the coats and went away without looking at a third one.
22.—How can I use this washing machine? —Well, just refer to the_______.