We can't imagine what great trouble the medical care personnel had _______ with the COVID-19.
A.fought B.for fighting C.to fight D.fighting
The president is committed to _______ the existing system of medical care.
A.reform B.reforming C.have reformed D.having reformed
The online game platform is crowded with teenagers, few of _______ enthusiastic about study.
A.whom B.that C.who D.them
The new treatment means, if _______ to the NCR will make all the difference for the general public.
A.applying B.to apply C.applied D.having applied
The anti-epidemic fight is like a time-limited race _______ all medical care personnel make every effort to people's lives.
A.that B.when C.which D.where
He felt a sense of relief _______ he got his medical examination report.
A.as long as B.so that C.the moment D.as if
