11、Sometimes it is very difficult for consumers to __________fake products fromgenuine ones．{Page}


12、It is difficult to distinguish one twin __ the other.
A． to
B． by
C． for
D． from
13、 -- Where do you think ______ he ______ the computer? 　　--- Sorry．I have no idea．　　
A．has; bought  
B． 不填; bought  
C． did; buy  
D． 不填; buys
14、I should like to rent a house，modern，comfortable and __________in’a quiet environment．
A．before all
B．after all
C．first of all
D．above all
15、 Anyone can get into the club, __ he is a member there.
A． even if
B． unless
C． as that
D． so long as
16、__________ I could say anything more, Holmes had rushed off towards the door.
A． Before        
B． After            
C． When        
D． As
17、 It is nice to go for a walk __ a summer evening.
A． on            
B． during          
C． in
D． at
18、Whose idea was it to go to the opera? I suggested________
A．go
B．to go
C．that go
D．going
19、 To travel from England to Scotland you __ a passport.
A． mustn't have
B． haven't got
C． don't need
D． needn't
20、His name was just on the________ of my tongue，but I just couldn’t remember it．
A．end
B．point
C．edge
D．tip

责编：cxy  评论 纠错