_______ books are old. ________ are new.
| A．Their, Ours | B．Their, Their |
| C．They’re ,We | D．They, We |
--I’m sorry I _____ my exercise book at home.
--Don’t forget _____ it to school tomorrow, please.
| A．forgot, to take |
| B．left, to bring |
| C．forgot, to bring |
| D．left, to take |
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 |
The number of the students in our school always growing.
| A．be | B．are | C．is | D．were |
Leaves fall _______piles ________the ground
| A．into; upon | B．upon; into | C．onto; off | D．into; onto |