He had been _______ good terms with Tom, but all of ____ sudden they lost in touch with each other.
A. on ; a B. in ; / C. on ; the D. in ; a
Imagine what today’s life would be like if Alexander Bell _____ the telephone more than 130 years ago!
A. didn’t invent B. wouldn’t invent
C. hadn’t invented D. wouldn’t have invented
Their sudden attack made us more ________ of the danger around us.
A. familiar B. particular C. aware D. doubtful
Miss Li ___ as a secretary for five years in the company, and now she is general manager of it.
A. has served B. had served C. served D. serves
What a(n) _______ it is that the new couple were born in the same year and on the same day.
A. acquaintance B. consequence C. circumstance D. coincidence
So much progress _____ in the past few months that she now has no difficulty in making herself understood in English.
A. did she make B. has she made C. she has made D. she made