English teachers are supposed ______their students a test in class, even after class, ______better teaching results.
#91971
A
to give; ensuring
B
giving; to ensure
C
to give; to ensure
D
giving; ensuring
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__________ in the traffic jam, he was likely to be late for the job interview. 
#97205
A
Being stuck
B
Having stuck
C
Stuck
D
Got stuck
—Would you like me        the radio a bit?—No, it’s all right. I’m used        with the radio        .
#95707
A
to turn down; to work; on
B
turning down; to working; on
C
turning down; to working; off
D
to turn down; to working; on
       how to do the homework, I went to ask my teacher for help.
#96277
A
Not to know
B
Not knowing  
C
Knowing not
D
Not known