Peter took advantage________ his visit to Paris to improve his French.
| A．on | B．at | C．with | D．of |
Many students are ________ chatting online, which wastes them plenty of time.
| A．crazy about | B．connected with | C．worried about | D．anxious about |
The crowd ________ eastward, believing that they can find gold there.
| A．are headed | B．is headed | C．heads | D．are heading |
Jack became seriously ill after ________ in polluted air for many years.
| A．breathed | B．breath | C．breathing | D．to breathe |
The new secretary is supposed to report to the manager as soon as she ________.
| A．will arrive | B．arrives | C．is arriving | D．is going to arrive |
She ________ down beside me and soon fell a deep sleep.
| A．lay | B．lied | C．laid | D．lain |