_______ on earth do you suppose_______ this?
#91155
A
What; could do
B
What; could have done
C
Who; do
D
Who; could have done
推荐题目
Most of the problems ______, he has a tight schedule every day.
#91575
A
remaining unsettled
B
remained unsettled
C
remaining unsettling
D
remained unsettling
– How do you like this park?--- It’s wonderful. I never dreamed of ____- such a quiet place in this noisy city.
#91542
A
having been
B
there being
C
having to be
D
there to be
John received an invitation to a dinner, and with his work____, he gladly accepted it.
#91330
A
finished
B
finishing
C
to finish
D
was finished
With all my attention _______ my homework, I didn’t even notice my father standing by me.
#90970
A
to fix on
B
fixed on
C
fixing on
D
to be fixed on