In communication, a smile is usually ______ strong sign of ______ friendly and open attitude.
|
A．the; / |
B．a; an |
C．a; a |
D．the; an |
______ is know to all, china will be an________ and powerful country in 20 or 30 year’ time.
A. That, advancing B. This, advanced C. As, advanced D. It, advanced
When I went in , they were ____ in a heated discussion .
A .absorb B .absorbed C .absorbing D .being absorbed
The ________ for tonight’s talk is protecting the environmet.
A. title B．subject C．news D．theme
You can't camp________you like these days. Many natural areas are now under protection.
A．whichever B．wherever C．what D．when
The samples__________in quality but were general acceptable．
A. varied B. changed C．disagreed D．Exchanged
