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国开高级英语（3）第一次形成性考核作业

1.Youngboysandgirlsstoodon_____sidesofthestreettowelcomethepresidentfromAfrica.

A.every

B.each

C.both

D.all

正确答案:C

2.Atruefriendisonewhooffersyouahelpinghandwhenyouare_______.

A.inorder

B.inpublic

C.intime

D.introuble

正确答案:D

3.Somedayinthefu