15.-Bob,you're absent-minded!
-Oh,I'm sorry I ______ attention to you,Miss Shute.( )
-Oh,I'm sorry I ______ attention to you,Miss Shute.( )
A. | haven't paid | B. | wasn't paying | C. | am not paying | D. | won't pay |
14.-Mr.Smith,how does my son Tom behave at school?
-Pretty good,though he ______ be absent-minded occasionally.( )
-Pretty good,though he ______ be absent-minded occasionally.( )
A. | should | B. | need | C. | must | D. | can |
13.Look at the big smile on her face.The job interview successful.( )
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A. | must have been | B. | might have been | ||
C. | should have been | D. | could have been |