_______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.
| A．That | B．When |
| C．Where | D．Though |
Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.
| A．decline | B．rarity | C．vacancy | D．shortage |
When I arrived in this country, I had to start learning the language from _____.
| A．scratch | B．scrap | C．snatch | D．scrape |
As soon as Charles had _____ a little from his surprise, his one thought was to get away.
| A．returned | B．absorbed | C．dissolved | D．recovered |
I shall never beat John at tennis; we are clearly not in the same _____.
| A．set | B．band | C．group | D．class |
I'm afraid you have no _____ but to come along with us.
| A．possibility | B．permission | C．choice | D．selection |