Although Zhong Nanshan knows the new virus is more____ to old people， he cares little for his own safety．（ ）
A．politeB．dangerousC．friendlyD．important
Sometimes you have to stop too much and just go where heart takes you．（ ）
A．thinkB．to thinkC．thinking
Some of my classmates an English play at the art festival two days ago．（ ）
A．haveB．hadC．has
Cao Yinpeng is a 9﹣year﹣old Chinese boy． He is known
saving his father's life．（ ）
A．forB．atC．by
I a shower when Jimmy called me at nine yesterday evening．（ ）
A．am takingB．tookC．was taking
I can't find the shoes I bought last week， so I have to buy another pair．（ ）
A．whoB．whichC．what