When I first arrived ________San Francisco,I had a difficult time ________certain aspects of the American way of doing things.

uch an embarrassing situation, he didn’t know what to do.

What else would you like to add _____ what you have already said? [ ]

It’s nice _______ Andy _______me with my English study.

Many personnel managers say it is getting harder and harder to ________ honest applicants from the growing number of dishonest ones. [ ]