题目内容

We will have a police officer immediately.

A. on spot
B. on the spot
C. on a spot
D. on the spots

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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

Take a spare tire alongneed.

A. in a case of
B. in the case of
C. in case of
D. in cases of

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