According to The Sun, British scientists have solved the ancient riddle of ________ came first—chicken or egg?
A. who B. what
C. which D. that
Wolf Warrior 2, which ________ the “Award for Best Visual Effects” at the Beijing Film Festival, indicates China's film industry has come of age.
A. wins B. won
C. has won D. had won
In the forest, sound is the best means of communication over distance ________ in comparison with light, it won't be blocked by trees when travelling.
A. while B. because
C. when D. though
The real winners in sport are those who know how to persevere and to behave with ________—whether they win or lose a game.
A. certainty B. caution
C. dignity D. independence
Thanks to the “sugar tax”， food factories have reduced sugar in their products, ________ about 45 million kilograms of sugar.
A. to save B. saved
C. saving D. having saved
Dave was a ________. Because of his misconduct in class, the whole class had to stay after school.
A. wet blanket B. leading light
C. black sheep D. dark horse
