The climate is changeable in this area. You should prepare more clothes ___________ the sudden change of weather.
| A．in charge of | B．in place of |
| C．in honor of | D．in case of |
. The murderer was brought in, with his hands ______ behind his back.
| A．to be tied | B．being tied | C．tied | D．having tied |
. The purpose of new technologies is to make life easier, ______ it more difficult.
| A．not make | B．not to make | C．not making | D．do not make |
All the preparations for the project ______, and we’re ready to start.
| A．completed | B．have been completed | C．had been completed | D．been completed |
. All her time _______ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing | C．devoting to doing | D．is devoted to doing |
. He knows nothing about it, so he can’t help _______ any of your work.
| A．doing | B．to do | C．being doing | D．to be done |