—How was your recent trip to Jiuzhaigou?
—I’ve never had one before.
| A．a tired | B．a more tiring |
| C．a most tiring | D．the most tired |
In the reading-room, we found Winifred ____at a desk, with her attention _____on a novel．
| A．sitting; fixing | B．seating; fixed |
| C．sitting; fixed | D．seated; fixing |
In the questionnaire, the subjects are questioned whether they____banning cars in the city centre．
| A．agree | B．comment | C．advocate | D．conduct |
____ to give up smoking, he threw away his _____ cigarettes．
| A．Determined; remained | B．Determined; remaining |
| C．Determining; remaining | D．Determining; remained |
By the time he retires, professor Baker _____ for almost forty years．
| A．will have taught | B．had taught |
| C．has taught | D．is teaching |
I would appreciate ______, to be frank, if the goods could be delivered as soon as possible．
| A．you | B．that | C．it | D．myself |