The research Tuyouyou has devoted all her life to ________to be ____ great value.
A. proved/out B. prove/to
C. proves/of D. proving/with
Anne’s father had his daughter’s diary ________after Anne died _______illness.
A. publish ; from B. was published ; of
C. publishing ; from D. published ; of
She had to _________in hospital ________she was better.
A. not remain ; until B. be remain ; till
C. be remained ; until D. remain ; till
He was busy chatting online that he didn’t anything dangerous on the road while walking. As a result, he was knocked down by a car.
A. too; to notice B. so; notice
C. too; noticing D. so; noticing
_________ the boy student has made marks in his study, he never shows off.
A. Although; much B. Although; high
C. But; much D. But; good
Don’t touch the machine_________ the teacher allows you to.
A. if B. unless C. since D. that
