问题补充:
—Physics is an important subject, isn’t it ?
—Yes. it well and you’ll find it useful in your daily life.
A. Learning
B. Learn
C. Learned
D. To learn
答案:
A. Learning
(答案→)B. Learn
C. Learned
D. To learn
解析:句意:-物理是一门重要的学科,是吗?-是的。学好物理,你会发现在你的日常生活中它很有用。句中and 这个连词连接的是两个并列的句子,其句型是祈使句+ and +简单句。故本空应用动词原形。故选B。