—How much does it ________ you to buy the bicycle ?
—About three yuang.
| A．pay | B．spend | C．cost | D．take |
You are not a child ___.You should do every thing by yourself
| A．no longer | B．any long | C．no more | D．any longer |
I had some trouble ___my homework
| A．to finish | B．finishing | C．finishes | D．finish |
The teacher told us ____the window in class
| A．not to look out of | B．to not look out of |
| C．not look out of | D．don’t look out of |
They are both very nice.I don’t know ___
| A．what to choose | B．to choose what |
| C．which one to choose | D．to choose which one |
Old people must be____ politely
| A．spoken to | B．speak to | C．poken | D．spoke |