Question 1: Verb Tenses
By the time the train arrives, they ______ for nearly two hours.

Question 2: Vocabulary
The policy changes were ______ by a sudden shift in public opinion.

Question 3: Collocations
The presentation was ______ received by the audience, with many giving a standing ovation.

Question 4: Prepositions
The course focuses ______ developing advanced academic writing skills.

Question 5: Idiomatic Expressions
He finally decided to bite the ______ and confront his supervisor about the issue.

Question 6: Advanced Conditionals
If she ______ earlier, she wouldn’t have missed the opportunity.

Question 7: Logical Relationships
The data was incomplete; ______, the conclusions cannot be considered reliable.

Question 8: Sentence Structure
The meeting, ______ was held at the main conference room, lasted for three hours.

Question 9: Inversion
Rarely ______ such an extraordinary performance by the orchestra.

Question 10: Phrasal Verbs
The company had to ______ the launch of the new product due to unforeseen circumstances.