Topics: Adverb Clause
__________ the experiment yields consistent results, we can draw valid conclusions.
A. Unless
B. After
C. While
D. Because
Select your answer:

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Past Simple › ViewI ______________ (work) in a hospital for twenty years.
A. work
B. workd
C. worked
D. workked
Grammar › View
Identify the VERB in the following sentence.
The children clapped their hands.
A. The children
B. clapped
C. their hands
