问题补充:
He triesEnglish and he practicesEnglish every day.
A. to learn, speak
B. learning, speaking
C. to learn, speaking
D. learning, to speak
答案:
A. to learn, speak
B. learning, speaking
(答案→)C. to learn, speaking
D. learning, to speak
解析:本题的含义为他努力的学习英语,每天练习说英语,try to do表示努力做某事的含义,practice doing表示练习做某事的含义,故本题选C。