. The most of his time is ____ to prepare for the college entrance examination.
| A．used | B．spent | C．taken | D．made |
— Would you like to go to Paris with us next year ?
— I’d like to, but my mother ______ that I am too young.
| A．is against | B．opposes | C．objects | D．explains |
People have planted a great many trees in order to ____wind and sand in the desert.
| A．hold down | B．hold up | C．hold back | D．hold out |
— So, how is your new roommate ?
— She really ____. She always making loud noises at midnight and when I remind her , she always makes rude remarks.
| A．turns me over | B．turns me down | C．turns me off | D．turns me out |
At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.
| A．troubled | B．confused | C．disturbed | D．puzzled |
He _____the problem _____in his mind for a whole week before he did anything about it.
| A．switched; on | B．kicked; up | C．turned; over | D．took; on |