It was not she took off her dark glasses I realized she was a famous film star.
| A．when;that | B．until;that |
| C．until;when | D．when;then |
Just as Tu Youyou once commented, “In order to make some achievements and ______ yourself in your field, there are certain things you must do.”
| A．bury | B．promote |
| C．distinguish | D．behave |
With the word PM 2.5 ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
| A．immediately | B．consequently |
| C．permanently | D．constantly |
Finally, developing teenagers’ critical thinking should be a(n) ______ for education committed to helping students become competent citizens.
| A．motivation | B．inspiration |
| C．priority | D．responsibility |
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
| A．where | B．when | C．that | D．what |
—We all had a lot of fun at the barbecue yesterday．Pity you weren’t there.
—I really should have gone with you but I _____ on some remaining problems.
| A．worked | B．was working |
| C．would work | D．would have worked |