How many members have __________ registered in the club?
A. officially B. official
C. office D. officer
Time _________, we will pay a visit to him before we leave.
A. permit B. permitted
C. to permit D. permitting
She was on the point of going out _________ the telephone rang.
A. while B. when
C. as D. the moment
The level of __________ in the river was falling.
A. population B. prescription
C. presentation D. pollution
These people are very efficient, very ___________ and excellent time managers.
A. organised B. organiser
C. organise D. organisation
As is often the case, a man who can dream will try hard to _________ any difficulties and live his dream.
A. overwork B. outcome
C. overcome D. output