-What are on show in the museum?-Some pictures ____ by middle-school students.A. taking B. having been taken . taken D. being taken
Madame Curie and her husband continued to work __ all the discomforts.
Not only he but also you __ wrong.
This writer’s books are devoted ___ children.
No matter what happens, you should stick ___ your word.
I think hard work can ___ success in the end.