Mr.Smith is always on time for everything.How ____ it be that he was late for the important meeting?
_______ the new paints and the new technique, we would not be able to see the many great masterpieces for which this period is famous.
It is the discovery of Cao Cao’s tomb, _____ was made in Anyang, Henan province, _____ has received widespread attention.
Tom does speak Chinese well, but his reading and writing skills leave much ______.
Although Rio knew little about marketing, he succeeded ______ other more well-informed managers failed.
It is required that under no circumstances ______ betray ourselves even if there are temptations like money or beauty.