12. The institutional review board mandated that the principal investigator _____________ all raw data to the ethics board before proceeding with the second phase of the clinical trial. (A) submit (B) submitted (C) would submit (D) will submit

15. What is the fundamental difference between EMI and CLIL regarding “scaffolding”? (A) EMI provides more language scaffolding because students must understand difficult academic content. (B) CLIL typically provides extensive language scaffolding through visual aids, sentence frames, and word banks. (C) EMI mainly uses scaffolding activities to help students memorize academic vocabulary and grammar rules. (D) Neither EMI nor CLIL includes scaffolding support because students are expected to learn independently.

12. The institutional review board mandated that the principal investigator _____________ all raw data to the ethics board before proceeding with the second phase of the clinical trial.
(A) submit
(B) submitted
(C) would submit
(D) will submit

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