I paid him $ 50 for the painting , but its true ___ must be least $500.
| A．price | B．money | C．value | D．importance |
Some people create jobs, foster(滋生）excitement and basically make the system work. They see possibilities ______ others see only problems.
| A．that | B．what | C．which | D．where |
. You can’t complain of being lonely you don’t make any effort to meet people．
| A．until | B．when | C．once | D．though |
British scientists have produced _____ they believe is the world’s smallest Christmas card．
| A．which | B．who | C．that | D．what |
All of us have the desire to visit the three main temples in Athens, especially ______ that contains a gold and ivory statue of Athena.
| A．the one | B．one | C．the ones | D．those |
Canada, _____ second to Russia in size, is _____ home of all kinds of animals and plants, making it famous for its natural scenery.
| A．/; a | B．the, the | C．the, / | D．/ ; the |