She ______ her mother's work since she was admitted into hospital.
A、is doing
B、has been doing
C、has done
D、has been done
第1题
No permission has _____ to anybody to enter the building.
A、been given
B、given
C、to give
D、be giving
第3题
I ______ swimming in the river and I always _____ to swim when I can.
A、am liking; have gone
B、am being liked; am going
C、like; go
D、have liked; have been going
第4题
Not only the director _____ the main actor was deeply touched by the little boy.
A、and
B、while
C、but also
D、too
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