-----Why does Ling Ling look so unhappy?
-----she has_____ by her classmates.
| A．laughed | B．laughed at |
| C．been laughed | D．been laughed at |
-- How about camping this weekend, just for a change?
-- OK,you want.
| A． | whichever | B． | however | C． | whatever | D． | whoever |
The traffic rule says young children under the age of four andless than 40 pounds must be in a child safety seat.
| A． | being weighed | B． | to weigh | C． | weighed | D． | weighing |
Wind power is an ancient source of energywe may return in the near future.
| A． | on which | B． | by which | C． | to which | D． | from which |
It took us quite a long time to get to the amusement park. It wasjourney.
| A． | three hour | B． | a three-hours | C． | a three-hour | D． | three hours |
___________ our manage objects to Tom's joining the club, we shall accept him as a member.
| A．Until | B．Unless | C．If | D．After |