36I think they’ve got to the very point _______ a change is needed, or they will fail

Mike, why did you make no reply to me when I called your name in the street just now-Sorry, Tom. I_______ to my mother on the phone.

I’m going to spend the winter vacation in Shanghai,_______I have relatives.

gton, a state in the United States, was named _______ one of the greatest American presidents.

worry, Mrs Black, your son get slightlyinjured–_____! I will call my husband and tell him there isnothing serious