The boy is only five years old，but he is quite used _____ the telephone．
#98394
A
to answer
B
to answering
C
of answering
D
by answering
推荐题目
While listening to the concert, the audience is required to remain ______ and keep quiet.
#93668
A
seated
B
to be seated
C
seating
D
to seat
Tim Bemers-Lee is generally considered ______ the World Wide Web, on which all the information is shared by all.
#94516
A
to have founded
B
having founded
C
founding
D
to found
It is worthwhile considering what makes “convenience” foods so popular, and____ better ones of your own.
#94106
A
introduces
B
to introduce
C
introducing
D
introduced
The rescue team has saved more than ten people________under the collapsed buildings since the earthquake occurred in Ya’an.
#88439
A
trapping
B
to be trapped
C
trapped
D
having trapped
___________ that he was in great danger, Eric walked deeper into the forest．
#94386
A
Not realized
B
Not to realize
C
Not realizing
D
Not to have realized