英语翻译A、if never B、if ever C、if not D、if any

英语翻译A、if never B、if ever C、if not D、if any if(a) {if(b if never,if any,if not,if 英语翻译If we have a/b Many enjoys home -made food,so she seldom,___,eats out.A.if never B.if any C.if not D.if ever He is always ready to help others,seldom,[ ],refusing them when they turn to him.[]''中应填A if ever B if never C if any D if not _he syudy hard,he will never pass the exam.a evev if b even though c if d unless The economical farmer seldom,______,treats himself to good food.A.If neverThe economical farmer seldom,______,treats himself to good food.A.If never B.If ever C.If not D.If any 英语翻译A=M;B=N;IF A 英语翻译He talks with her as if he _her ,but he has never seen her before.A.knew b.knowsC.toknowD.known If you choose,never 英语翻译If you a tiger 英语翻译A,if B,when C,since D,as She is very heavy,___she never stops eating.A.so B.but C.if D.when ___they arrived early at the sport,they never missed the flight.A If B becau 英语翻译,Dream,as if you never wake up Dr Bethune worked hard as if he ______.Dr Bethune worked hard as if he ______.a.never had felt tired b.had never felt tired c.never felt tired d .was tired never He is only too ready to help others,seldom,___,refusing them when they turn to him.A if never B if ever C if not D if any 请问答案为什么是B 还请详细分析下句子