The parents were unsettled for the first few days, about their son’s safety.
#95256
A
having worried
B
to worry
C
being worried
D
worried
推荐题目
The stone bridge __________ last year is very beautiful.
#90813
A
built
B
was built
C
being built
D
to be built
However, the eruption itself is really exciting and I shall never forget my first sight of one.
#95013
A
to watch
B
to be watched
C
watched
D
watching
The old sick lady entered the hospital, ______ her two sons.
#97437
A
to support
B
supporting
C
supported by
D
having supported