In the United States, there is always ____ flow of people to areas of ______ country where more jobs can be found.
| A．a; the | B．the ; a | C．the; the | D．a; a |
Leave everything __ you find it.
| A．just like | B．like | C．just as | D．/ |
___ is Charlies’ pen friend?
| A．Who do you think | B．Do you think who | C．Whom do you think | D．Do you think whom |
There used to be a bus stop at the corner of the street, ___?
| A．usedn’t there | B．usedn’t it | C．wasn’t there | D．wasn’t it |
The child is no more than five years old. “No more than ” here means ___.
| A．not more than | B．at most | C．at the most | D．only |
--- Jack didn’t come back early last night, did he?
---_____. It was not yet eight o’clock _____ he arrived home.
| A．No; before | B．Yes; when | C．Yes; that | D．No; until |