Mr．Chen：May I ask you a question？Mr．Green：Yes，______.Mr．Chen：Haven’t we met before？Mr．Green：Yes，we met at the sales conference last year in Beijing．
A.do it
B.please
C.all fight’
D.say it
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____ difficulties we may come across，we’II help one another to overcome them.
A.Wherever
B.Whatever
C.However
D.Whenever -
When he arrived at the village，he found____ the aged and the sick at home．
A.none but
B.anyone but
C.nothing but
D.no other than -
I haven’t a thing____ with my father．
A.in common
B.in large
C.in short
D.in general -
Lily：The pollution is becoming more and more serious.Hong：Yes．We are breathing in dirty air． Lily：And we are drinkin9‘dirty water． Hong：I‘m really worried about that． Lily：I feel______what to do．
A.no way
B.nothing
C.at a loss
D.at ease -
Lin：Tom，I had a really good time at your home． Tom：______．
A.Oh，I"m glad to hear that
B.You’re welcome
C.Thanks a lot
D.Don’t mention it