This year many doctors have become anti﹣epidemic（抗疫）heroes．We are proud of____________．（ ）
A．herB．himC．them
The photos that won the first prize in the competition will be _____on the website．（ ）
A．put awayB．put offC．put upD．put on
I always hate being late for school．
______（ ）
A．So am I．B．So do I．C．So I am．D．So I do．
Doctor Bethune sometimes had to treat the wounded on _____ own．（ ）
A．himB．hisC．themD．their
The Three Gorges Dam produces _____for millions of people in China．（ ）
A．electricityB．influence
C．transportD．technology
Students here often do physics experiments _____small groups．（ ）
A．byB．inC．forD．at