--______ is your father? Does he still work as an engineer? --Yes, he has been an engineer for thirty years.
| A．Who | B．How |
| C．What | D．Which |
After the operation in hospital, he is gradually.
| A．turning over | B．getting over |
| C．taking over | D．leaving over |
This piece of music being played at the concertsweet.
| A．sounds | B．listens to | C．is sounded | D．is listened to |
his father has been away for more than one year, John can still keep doing what he needs to.
| A．While | B．When | C．As | D．Whether |
The bicycle looks much like mine, but it isn’t.it be John’s?
| A．Must | B．Can | C．Should | D．Will |
This is a newly developed software from which your computer can.
| A．suffer | B．benefit | C．fall | D．produce |