The factory was built in a secret place, around ____ high mountains .
| A．which was | B．it was |
| C．which were | D．them were |
---Then see you on New Year’s Day.
--- So long! And_____!
| A．at best | B．all the best | C．all the time | D．all the same |
If this plan works, we'll ______ in a special way,say, holding a tea get-together.
| A．celebrate | B．congratulate | C．welcome | D．memorize |
Could you find me some materials______to human rights on which I’m writing an articles?
| A．accustomed | B．addicted | C．relevant | D．adjustable |
The old couple’s son really_____with the other students in the new class, as they expected.
| A．went on | B．called in | C．settled in | D．fitted in |
Despite the fact that Jack has lived in USA for many years，he finds it no easy to _____himself to its culture and customs.
| A．adopt | B．adapt | C．apply | D．concentrate |