Question

At 13，Samuel received a training course in drawing for three years，________ he got a good oppor.

At 13，Samuel received a training course in drawing for three years，________ he got a good opportunity for further development. A．after that B．after which C．after it D．after this

Answer 1

B 解析　after which意为“after he received a training course in drawing for three years”。句中没有并列连词，故不能选C、D两项；that不能引导非限制性定语从句，故A错。