— We haven’t heard from Jane for a long time.
— What do you suppose ______ to her?
| A．was happening | B．has happened | C．to happen | D．having happened |
I should very much like to have gone to that party of theirs, but ______.
| A．I was not invited | B．I’m not among the invited |
| C．I had not been invited | D．I have not been inviting |
In 1960, this was the longest bridge that _____________.
| A．was ever built | B．had ever built |
| C．has ever been built | D．had ever been built |
. It’s up to you to decide whether to _____ physics or chemistry.
| A．take off | B．take on | C．tale in | D．take up |
I suppose reading this book will ____ your taste for music.
| A．add | B．add up | C．add to | D．add up to |
. Now he has been used to ______ early for morning exercise.
| A．get up | B． getting up | C．got up | D．going to bed |