16.It is no doubt that once ____ this city, you’ll find that there is so much surprise waiting for you to discover. visit B. visiting C. visited D. to visit
My parents would have come to see you if it had been possible, but they __________ so busy.
The news came as quite a shock to us __________ a ship with 82 passengers on board sank near the north coast.
—The Internet is amazing, isn't it? —Yes. Just __________ it into a socket and you are instantlyconnected to the rest of the world.
Lucy and Mary are two of __________ kind and they both play __________piano in their leisure time.
The smile on Mother's face suggests that she _________ satisfied with what her daughter has done.