Only after he has acquired considerable facility in speaking _____to learn to read and write.A.he began B .will he begin C.did he begin D.must he begin本题选B,为什么不选择C,DC为什么不行，表示强调啊

only after---his homework---to watch tv,only after---his homework---to watch tv1he has finished,is he allowed2has he finished,is he allowed3 finished,is he allowed,he is allowed4has he finished ,he is allowed after he has finished his homework,he plays basketball.句中的he has after （he has ）finished his homework,he plays basketball.句中的he has only after he has acquired considerable facility in speaking __A:then he learns reading and writingB:does he learn to read and writeC:finally comes reading and writingD:he began to read and write 求详解拉 He has only -----friends,so he often piays by himself After he has a rest,he goes on working.是什么意思? only after asked three times did he answer me.改错 He went home only after she came怎么倒装? l have three pen.He has only one.合并句子 He has no more than forty dollars-----------Means______a.He only has forty dollars.b.He has less than forty dollars. After lunch ,he has a r_______for half an hour He never has ___(some)fun after his parents leare. after lunch he has math.否定句是? after lunch he has math.(改为否定句) After meals ,he often has d___________填什么? he has worked as a teacher for only two weeks .he has little e ____ He not has a sister.和He only has a sister.哪个对? 请问是he only has an 8-year-old son还是he has only an 8-year-old son? He could look after himself when he was only six保持原意