We will have a police officer immediately.
A. on spot
B. on the spot
C. on a spot
D. on the spots
The whole house needs cleaning
A. from the top to bottom
B. from top to the bottom
C. from top to bottom
D. from the top to the bottom
Mr.Blake's secretary is alwayswhen he appears in public.
A. on a hand
B. on hand
C. on the hand
D. on hands
this big store are large double doors that open promptly at 9 a.m.
At the front of
B. At a front of
C. At front of
D. At the fronts of
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