You should have put the milk in the ice box; I expect it ________ undrinkable by now.
A became
B had become
C has become
D becomes
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Codes are a way of writing something in secret; ________, anyone who doesn’t know the code will not be able to read it.
A that is
B worse still
C in short
D on the other hand
His long service with the company was ________ with a present.
A admitted
B acknowledged
C attributed
D accepted
The atmosphere is as much a part of the earth as ________ its soils and the water of its lakes, rivers and oceans.
A are
B is
C do
D has
Our house is about a mile from the station and there are not many houses ________.
A in between
B among them
C far apart
D from each other