四六级习题练习

四六级考试六级易错题(2019/3/4)
1题:()nearlythirtyyearsfortheplanetSaturntocompleteoneorbit.
A.ittakes
B.totakeit
C.takingit
D.takesit
【单选题】:      

2题:The factory was____owing to the shortage of raw materials.
A.shut up 
B.shut out 
C.shut 
D.shut down 
【单选题】:      

3题: Serious as the damage()the boat was,he succeede
d in sailing round Cape of Good Hope.
A.in
B.on
C.to
D.of
【单选题】:      

4题:Howsonwillbe()robotsbecomesointelligentthattheywillbeabletodojobswhichatthemomentonlyhumanbeingscando?
A.before
B.that
C.when
D.since
【单选题】:      

5题:Manyatime()themnottodoso.
A.wehavewarned
B.dowehavewarned
C.havewewarned
D.warnedwehave
【单选题】:      

 

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