-Did you see the new movie directed by that famous director? It's said to be _______ great fun.
-No. I have been busy repairing all the broken office _______ these days.
| A．a; equipment | B．the; equipments |
| C．\ ; equipment | D．\ ; equipments |
—What was it that caused the party to be put off?
—________ the invitations.
| A．Because Tom delayed sending |
| B．Tom delayed to send |
| C．That Tom delayed sending |
| D．Tom delayed sending |
The new technology，if ________ to farming，will help increase the grain output.
| A．applying | B．to apply |
| C．applied | D．having applied |
________ this way can we smooth the difficulty we are faced with now.
| A．Just in | B．After in | C．Just by | D．Only in |
There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early unless you think it is necessary.
| A．doesn't go | B．not to go |
| C．not going | D．don't go |
Not until I read your letter ________ the true state of the affairs.
| A．did I understand | B．had I understood |
| C．I understood | D．I had understood |