If _____ carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |
The book represents a wonderful love story, so once______, it will be popular with young people.
| A．publishes | B．publishing | C．published | D．having published |
It's your decision---- you must ______ the responsibility if things go wrong.
A. bear B. take down C. put up with C. stand
The children have been playing with my hat they've knocked it out of ______.
| A．date | B．shape | C．order | D．balance |
Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?
| A．off; back | B．up; off | C．out; up | D．back; off |
He went to the library ______ last night, but you broke your word.
| A．no doubt | B．in need | C．on earth | D．in truth |