This is the first time the students ______ to Hyde Park.
A. have gone
B. have been gone
C. have been going
D. are being gone
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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
I ______ the incident as if it were yesterday.
A. am still to remember
B. have still been remembering
C. am being still remembered
D. still remember
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
We have sometimes accidents on this line, but no accidents ______ since last winter.
A. occur
B. have occurred
C. have been occurring
D. are occurring