In 1948, the place where his father had been buried was finally discovered, marked only by _____, on a simple stone.
A, a 43-number B, the number 43rd C, the number 43 D, the 43 number
—Shall I attend my friend's comingofage ceremony, Mum?
—No, unless you see to ________ that you will be home before 10：00 P．M.
| A．one | B．this | C．it | D．her |
Before selecting the curtain for your newly decorated house, it's important to know what colors look great ________ the wallpaper.
| A．on | B．with | C．in | D．against |
—What are you two whispering about over there?
—Oh, ________.Just small talk.
| A．no | B．nobody | C．none | D．nothing |
Frankly speaking, ________ of them knew what the other was doing that morning.
| A．none | B．neither | C．some | D．all |
Our refrigerator is ________ again.We'd better buy a new one instead of repairing it.
| A．in order | B．by order |
| C．under order | D．out of order |