6．A m_________ is a few seconds．
Henry's job was to examine cars which crossed the frontier(边界) to make sure that they were not smuggling(走私) anything into the country．Every evening except at weekends，he would see a factory worker coming up the hill towards the frontier, 41 a bicycle with a lot of old straw (稻草)on it．When he 42 the frontier, Henry used to stop the man and 43 him take the straw off．Then he would examine the straw carefully to see 44 he could find anything．Henry didn't let the man leave 45 all his pockets were examined, But he never found 46 , even though he examined them very carefully．
Then one evening, after he had looked through the straw and examined the worker's pockets 47 usual, he said to him, “Listen, I know that you are smuggling things 48 the frontier．Won't you tell me what it is that you're 49 into the country so successfully? I'm an old man, and today's my last day on the job, Tomorrow I'm going to retire(退休)．I promise that I shall not tell anyone if you tell me what you're smuggling．” The worker did not say anything for 501 ．Then he smiled, turned to Henry and said quietly, “Bicycles”．
41．A．riding B．pulling C．filling D．carrying
42．A．arrived B．appeared C．came D．reached
43．A．ask B．tell C．make D．call
44．A．that B．where C．how D．whether
45．A．before B．thus C．after D．so
46．A．nothing B．something C．everything D．anything
47．A．then B．more C．as D．like
48．A．cross B．past C．across D．into
49．A．carrying B．taking C．bringing D．buying
50． A．Sometime B．some times C．moment D．some time
40．--________ clever this girl is!
--So she is．
A．What a B．How C．What D．How a
39．The window ________ ten minutes ago, and the room is bright now．
A．can be cleaned B．is cleaned
C．was cleaned D．will be cleaned
38．This pair of shoes is made ________．
A．with hands B．with the hand
C．by hand D．by hands
37．My brother is too young, I have to ________ him at home．
A．look for B．look like C．look after D．look at
36．--Dick, is Nick your twin brother?
--Yes, and I'm thirty minutes ________ than him．
A．fatter B．taller C．heavier D．older