Make a reservation in advance, _______ you would risk having to wait for a table.

I think people here are friendly. Do you ___________ me –Yes, you are right.

People who tend to focus on ______ while speaking a foreign language may find that they worry too much about making mistakes.

If I five more minutes, I’m sure I can finish the work on time.

____him not to do so, he wouldn’t have made such a serious mistake.