Have you ________?—No. I had the wrong number.

This kind of exercise is most _____, and therefore is a good test of you students’ ability. [ ]

We hadn’ t met for 20 years, but I recognized her_____________I saw her.[ ]

____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.

How do you deal with their objections to our plan?- I think we can safely _____ them since our plan is made on a scientific basis.[ ]