A：Jim did really well in the exam.
B:Yes. I think he studies_______of all the students.
| A．hardly | B．hard |
| C．harder | D．hardest |
——How long have you worked here?
——__________________.
| A．Since five years | B．Since five years ago |
| C．Five years ago | D．For five years ago |
Peter ________ to help our math teacher carry books yesterday.
| A．tells | B．is told | C．told | D．was told |
——What’s your mother?
——She_________ a teacher, but now she is a doctor.
| A．used to be | B．was used to | C．use to be | D．is used to be |
——How long has his father ________London?
——For two weeks.
| A．been to | B．gone to | C．been in | D．arrived in |
This kind of CD-ROM is very popular. Why not buy one before it___________?
A. comes out B is come out C. is sold out D. sells out