The research design includes either random sampling __________ stratified sampling ...

[ Correlative Conjunction ]

The research design includes either random sampling __________ stratified sampling methods.

A. or

B. nor

C. and

D. but also

Select your answer:

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Find the coordinating conjunction in this sentence: “She didn’t see the movie, for it was sold out.”

A. Didn’t

B. See

C. For

D. Was

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What is he doing?

A. He is jumping

B. He is skateboarding