There are ______ floors in the building and my home is on the ______ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |
My mother_______ if she ________her work this week．
| A．comes back；finishes |
| B．comes back；will finish |
| C．will come back；finishes |
| D．will come back；will finish |
There _____ an eraser, two books and three pens on the desk.
| A．have | B．are | C．is | D．be |
---May I play basketball ? --- No, you _____
| A．must not | B．may not |
| C．don’t have to | D．shouldn’t |
--- _______ is your home from your school?
--- About 20 minutes’ ride.
| A．How long | B．How far |
| C．How soon | D．How often |
The market isn’t far from here. It’s only bicycle ride.
| A．half an hours’ | B．half an hour’s |
| C．half an hour | D．an hour and a half |