Question

9.   We spend much time____________ _ English, so we are good_________ it.

A. to speak; to            B. to speak; at

C. speaking; to            D. speaking; at

Answer 1

9. D考查固定搭配。表示"花B寸间做某事"用spend some time (in) doing sth.；表示"擅长"用be good at。
故选D。