Listening to loud music at rock concerts__________caused hearing loss in some teenagers.
#103763
A
is
B
are
C
has
D
have
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Linda make sure the table________before the guests arrive
#103768
A
be set
B
set
C
are set
D
are setting
--Why has he been staying at home these days?  --He ___________ since a month ago.
#104803
A
has been out of work
B
was out of work
C
has lost his work
D
had left from his work
The scientist __________ the experiment for half a year, but he _______ yet.
#102041
A
made; didn’t succeed
B
made; hasn’t succeeded
C
was making; didn’t succeed
D
has been making; hasn’t succeeded
Mother wanted to be a good provider, a role she ______ since her marriage to Father.
#101143
A
shoulders
B
shouldered
C
is shouldering
D
has been shouldering