If _______ with the new pill, those patients are likely to make a speedy recovery.

_______ the Youth Club, he became more confident and sociable.

When _______ , a majority of senior students expressed their great uncertainty about the future.

Once _______ with essential skills, these interns will know how to prepare a report.

_______ to the conference in Paris, I booked a flight ticket immediately.

_______ his mistake, Tim apologised to me.

A. though

C. nevertheless