It is so cold that you can’t go outside _____ fully covered in thick clothes.
| A．if | B．unless |
| C．once | D．when |
The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
| A．having listed | B．listed | C．having been listed | D．listing |
— Tom seems not so enthusiastic as he was two years ago.
— Yes. He’s really reached a point in his career ______ he has to decide what to do next.
| A．that | B．when | C．where | D．which |
—Daddy, which of these smart kids do you like best in last night’s TV show?
— ________ . They are all proud and selfish.
| A．Either | B．Nothing | C．Neither | D．None |
She had wanted to go to the west part of China in search of better view. But she turned ___voluntary teacher there.
| A．a; / | B．the; / | C．the; a | D．a; the |
—Why are you crying? Today is your birthday!
—____________. I am so excited with so many friends surrounding me.
| A．Just can’t help it | B．Don’t mention it |
| C．None of your business | D．That’s all right |