--- Do we have to hand in our research reports this afternoon, Professor Smith?--- Yes, you _______ . I will be waiting to check them all the afternoon.
Our house is the most _____ one in the street; it is painted red.
It has been laid down that each student must _____ a composition to the teacher once a week.
Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
Having said he would mend the clock, he discovered that he had not brought the _____ tools for the job.
The country needs a _____ government. We have had three Prime Ministers in a year.