4. It used to ______ that humans and animals were different and had little in common.
What Jane wants to know is whether you are willing that she _____ be admitted into our club.
It was April 29, 2011 _______ prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
_______ 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 ______.