The ratio of the work done by the machine _________ the work done on it is called the efficiency of the machine.

A) the living standard came down

B) down did the living standard come

C) came down the living standard

D) down came the living standard

A) whether

B) what

C) that

D) if

A) being accomplished

B) to be accomplished

C) accomplished

D) having been accomplished

A) who

B) that

C) which

D) whom

A) would be

B) must be

C) be

D) should have been

A) in

B) of

C) by

D) from

A) to lend

B) having lent

C) to be lending

D) lent

A) With the first point agreeing on

B) With the first point agreed on

C) With the first point to agree on

D) With agreeing on the first point

A) too much to

B) enough to

C) very much to

D) so much to

A) could tell

B) tell

C) told

D) would tell