______ strong and powerful China will certainly benefit ______ whole world.
| A．A; a | B．The; a |
| C．The; the | D．A; the |
----Please come in and make yourself___________.
----- Thank you ！
| A．at sea | B．at will | C．at home | D．at sight |
The committee has recommended that the training program _______ improved .
| A．would be | B．is | C．was | D．be |
We__________ an old man lying in the road, who was badly ill.
| A．came along | B．came by | C．came across | D．came up |
Helping others is a habit, _____ you can learn even at an early age.
| A．it | B．that | C．what | D．one |
We have got accustomed__________ in an air—conditioned room, so we can’t stand the terrible heat outside.
| A．to live | B．to not live | C．to living | D．to not living |