If only he ___ enough sense of humor.请问选择哪一个?为什么?A.has B.had C.will have D.can have

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 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 省略句和倒装句问题4.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 If only he ___ enough sense of humor.请问选择哪一个?为什么?A.has B.had C.will have D.can have If he ___(have) time,he'll come back he's only got himself to ___ if no one likesThe boy is dishonest and often cheats his classmates.He's only got himself to ___ if no one likes to talk to him.A blame B survive C pause D function this is the only novel that he ___(write) 分析此句：only if he had seen me yesterday only if I'm sure he is up to the job ___ he would give his mind to it.[A] if only [B] in case [C] until [D] unless翻译整句并对所选答案进行解释 he's not only lively but also healthy句型转换he's lively ___ ___ ___ healthy only if/if if only ,if necessary I don't know if he ___.if he ____,please tell me .(come) i want to know if he ___(come) yesterday. ___ he was only 31,he became the richest man in the world.(although/though) If he had only had enough money,he would have bought that house.第一个only是什么意思? ___ the meeting ,he would have attended.A If he knewB If he hadn't knownC Had he knownD If he didn't know