---Can those _________ at the back of the classroom hear me ?
A．seat B．sit C．seated D．sat
----He is fluent in English because he once stayed in London ．
---- Really ? How long _________ there ?
A．did he live B．has he lived C．had he lived D．does he live
Only through _______ talks can we build trust and only through cooperation can we create ________ win-win economic situation．
A．\ ; a B． the ; the C． \ ; the D． the ; a
The news shocked the public,________ to great concern about students’ safety at school．
A．having led B．led C．leading D．to lead
----What will you buy for your husband’s birthday?
---- I want to buy a ________ wallet for him．
A．small black leather B．black leather small
C．small leather black D．black small leather
---I want to make a kite for my son．
--- __________ You can easily buy one in the market．
A．Why not ? B．Good idea! C．Why bother ? D．No way!
