What worried the child most was ______ to visit his mother in the hospital.A. his not allowing B. his not being allowedC his being not allowed D. having not being allowed
What he said was of ________.
_________, the subject belongs to biology.
_____seems _______something unusual in his eyes.
When I come in, I found a strange girl ______in the corner.
The girl looked at me with a ____expression. Maybe the problem was quite ___.