ACT English Practice Question #1904 (Hard (520)) | Test Citadel
TC
Test Citadel
ACT English Difficulty: Hard (520)

Digital ACT English Practice Question #1904

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

Choose the best option for the underlined portion: The Hubble Space Telescope, launched into low Earth orbit in 1990 has provided invaluable astronomical imagery for over three decades.
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
⚡ 15-Second Desmos Speed Hack

Balance the commas: , launched..., has provided.

Masterclass Solution & Distractor Trap Analysis

The nonessential participial phrase "launched into low Earth orbit in 1990" was opened with a comma and must be closed with a comma before the main verb....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

🔒 Citadel Pro Scholar Vault

Unlock Full Solution & 2,600+ Official Drills

Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.

Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.