[ Mixed General Quiz ]
It is important to ___ the soil to test the metal bearing content.
a. assay
b. essay
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Articles › ViewI can see it on the other side of ___ River Thames.
A. the
B. –
Vocabulary and Grammar › View
Choose the correct form of the adjective: This is the ________ solution to our problem.
A. efficient
B. most efficient
C. efficientest
D. more efficient