30. Look! What a mess the room is! In my opinion, it needs ______.
| A．cleaning up | B．being cleaned up | C．to clean up | D．clean up |
realize
| A．theatre | B．weather | C．break | D．breath |
come
| A．college | B．collect | C．comfort | D．cloth |
Thorough
| A．northern | B．Thrill | C．though | D．without |
— You shall get an iPad so long as you come first in the speech contest.
— Is that a ________? Don’t let me down, I hope.
| A．trick | B．decision | C．promise | D．goal |
With a population of over seven million, London is ________ the largest cities of the world.
| A．between | B．among | C．from | D．of |