---Mary, I’m getting fatter and fatter!---No worry about not __________weight in a month. The Baodi Fit Club will promise you_________, or you can get your money back.A.lose; successB.losing; successC.to lose; successfulD.losing; successfully
网友回答
B解析B worry about + n./ doing. sth.，排除A、C；promise sb. sth.“给某人保证某事”。