A. Signor B. world C. run-down D. support A. robber B. relax C. aquarium D. warm up A. excited B. shirt pocket C. sad D. below A. trust B. lock out C. undue D. famous A. transfusion B. once in a while C. curtain D. healthy A. protect B. jump C. walk off D. keep in touch with A. secure B. row C. come to an end D. trifling A. heart B. later on C. cola D. knife A. postman B. withdraw C. in theory D. astronomer A. cycle B. philosopher C. unpopular D. Pakistan