Anna pretend to be cheerful and said nothing about the accid

Anna pretend to be cheerful and said nothing about the accid Tom pretended to cheerful,___ nothing about the argument.用sa I pretend to know nothing about it ,understanding or fool he said nothing about it,and began to talk about putting in nothing to be worry about pretend to be doing jack may not come to the party,because he said nothing about My uncle left the room and said nothing to us.=My uncle left __ nothing to talk abou,he said good-bye and went out of the nothing is real and nothing to get hung about. pretend to be asleep和pretend to be sleeping pretend to be sleep 和pretend to be sleeping