After trying hard, they _______ the hope of finding an effective way to solve the problem.
| A．abandoned | B．released | C．discouraged | D．resigned |
After working abroad for several years．Gill wants to settle down to a ____job in Britain．
| A．normal | B．constant | C．permanent | D．primary |
In 1519 ____ traveler who went to American from Europe discovered ____tomato．
| A．the; the | B．the ; a | C．a:．a | D．a; the |
—Excuse me , you left this handbag in the shop．
| A．It's my fault． | B．Oh, thank you． |
| C．I'm sorry． | D．It's mine! |
When Japanese invaded China, all the Chinese refused to ____ themselves to their poor status and fought back.
| A．resign | B．adjust | C．devote | D．owe |
____ I went to the seaside, I picked up a great many shells.
| A．The first time | B．For the first time | C．At first | D．By the first time |