—Do you often help your cousin with his English? —No. He learns English . A. by himselfB.

—Do you often help your cousin with his English?
—No. He learns English .
A. by himself
B. for himself
C. with himself
D. on himself

(答案→)A. by himselfB. for himselfC. with himselfD. on himself解析：句意：--你经常帮助你的堂兄弟学英语吗？--不。他自学英语。独自做某事，by oneself。故选A.

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