30．The coach, because of the driver’s carelessness, was __________ and crashed over the cliff on such a cold December morning.
| A．in support | B．out of control | C．in charge | D．at the mercy |
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 |
He ran as fast as he could _____ to catch the early bus.
| A．to hope | B．hope | C．hoping | D．Hoped |
. Everyone in our class was working hard and doing what we could _______ a good college.
| A．Enter | B．to enter | C．Entering | D．entered |