Helen and Mary are good friends. _______often go to school together.
| A．They | B．Them | C．Their | D．Theirs |
If anything the machine, please let us know.
| A．happens on | B．happens to | C．happened on | D．will happen to |
I think this bike belongs our teacher. She likes red bikes.
| A．with | B．to | C．/ | D．of |
—There is a pen on the ground. Is it Li Long’s?
—It Li Long’s. He went to Beijing many days ago.
| A．can be | B．can’t be | C．must be | D．might be |
They are _______ the dark.
| A．interesting in | B．afraid | C．terrified of | D．sure of |
I am really shy. I don’t know anyone there?
| A．What if | B．How | C．What | D．Why |