Walmart, which is one of the largest American supermarket chains, _______ some of its store open 24 hours on Mondays through Saturdays.
#101016
A
keep
B
keeps
C
have kept
D
had kept
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His mother looked very tired,for she _____ the house herself all day.
#102009
A
had cleaned
B
has been cleaning
C
had been cleaning
D
has cleaned
Hellen doesn’t know how much I spent in repairing the house. If she ever found out, I’m sure she         me.
#102966
A
will never forgive
B
would never forgive
C
does not forgive
D
never forgives