—How long has your brother _________ in the army ?
—About five years.
| A．taken part | B．joined | C．served | D．attended |
The temperature can drop ________zero when winter comes.
| A．under | B．below | C．at | D．over |
This piano is too big. Can you make ________ for it?
| A．a space | B．some spaces | C．some more rooms | D．some space |
I bet you’ll look cool and feel cool ________
| A．with something in | B．with nothing on | C．in something with | D．with nothing in |
Leaves fall _______piles ________the ground
| A．into; upon | B．upon; into | C．onto; off | D．into; onto |
They think wolves are dangerous _________humans so this leads _______the danger of wolves.
| A．for; to | B．as; for | C．to; to | D．at; in |