Question

John, ______, you should eat less meat but more vegetables.

A．keep healthy

B．keeps healthy

C． keeping healthy

D．to keep healthy

Answer 1

A

试题分析：keep healthy的意思是保持健康；BCD选项是它的变形。原句意思是：John，要保持健康，你应该少吃肉多吃蔬菜。这是祈使句，使用动词原形。故选A。