.Mother wanted to be a good provider, a role she________since her marriage to Father.
#103764
A
shoulders
B
shouldered
C
is shouldering
D
has been shouldering
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Her sister left home in1998, and       since.
#101660
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has been heard of
– I’m leaving for Beijing next week.– How long ______ there?
#101707
A
have you stayed
B
are you staying
C
had you stayed
D
did you stay