Ted came for the weekend wearing only some shorts and a T-shirt, __________ is a stupid thing to do in such weather.
| A．this |
| B．that |
| C．what |
| D．which |
With ________ word “PM 2.5” repeatedly appearing in ________ media reports, the public can’t help wondering what it really means.
| A．the; \ | B．a; the | C．the; the | D．\; the |
—Are you through with your high school?
—Well, _____.
| A．sort of | B．go ahead | C．why not | D．that's OK |
What we really concern is _____ those orphans can recover from the earthquake psychologically.
| A．that | B．if | C．why | D．whether |
When more and more women join the WHO, it takes on a new look—as news reports put _____.
| A．it | B．that | C．so | D．one |
—I'm sorry to interrupt you, but I don't follow you now.
—Sorry, I _____ it clear about my plan.
| A．didn't make | B．hadn't make | C．wasn't making | D．haven't made |