Susan decided not to work on the program at home because she didn’t want her parents to know what she_____.
#99291
A
has done
B
had done
C
was doing
D
is doing
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--Look! Someone ________ the floor.--Well, it wasn’t me. I went shopping just now. 
#100635
A
had swept
B
has swept
C
was sweeping
D
is sweeping
 — Tom, will you attend the press meeting to be held this morning? — But I ______ anything about it.
#99852
A
wouldn’t be told
B
haven’t been told
C
haven’t told
D
am not told
.If I _________too late last night, I could not have fallen asleep in class.
#103799
A
didn’t stay up
B
hadn’t stayed up
C
don’t stay up
D
haven’t stayed up