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
A. A.he B.will C.did D.must
【参考答案】
B 本题考查倒装结构,only放在句首要求句子倒装,由于从句中动词为现在完成时,所以主句用一般将来时。题意为,只有当他已经获得了相当的说的能力,他才能开始学习读和写。