_______ 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
You can use a large plastic bottle, ______ cut off, as a pot to grow flowers in. 
#91166
A
the top is
B
the top of which
C
whose top
D
with its top
With so many orphans ________,the charity organization calls for more donations.
#91444
A
to be looked after
B
being looked after
C
to look after
D
looked after
 John received an invitation to dinner, and with his work______, he gladly accepted it.
#91249
A
finished
B
finishing
C
having finished
D
was finishing
Whether you believe it or not, it is _________ that causes your illness.
#91474
A
because of your overweight
B
you are so overweight
C
because you are overweight
D
your being overweight
 ______ in prison for ten years, no one recognized him.
#91615
A
The man’s having put
B
The man being put
C
The man having been  
D
Having been