1.Lucy always wears a green sweater.(改为否定句）Lucy____ _____ a green sweater.2.Mr Dean is tall and he has long blonde hair.(改为同义句） Mr Dean is a_______ man _______ long blonde hair.3.I think.She can't tell jokes.(合并为一句) I ———— ———— she ＿＿＿＿ ＿＿＿＿＿ jokes．4.Jack looks like an actor .(改为否定句) Jack———— —————— —————— an actor