I'm sorry I didn't come to the dinner last night. I......work late with my project.

Which sentence has the CORRECT WORD ORDER?

......... Sara still live on campus? I haven't seen her for weeks.

You should buy travel insurance before ............ to another country.

Which one of the underlined words or phrases is INCORRECT? The decision to go nor stay was difficult to reach.

If the teacher asks you a question, you ...... immediately.