—How many times have you been to the Site of Zunyi Meeting? —In fact, it is the first time I ________here.
Using many symbols makes _______ to put much information on a single map.
________ Barbara Jones offers to her fans is honesty and happiness.
—What are you going to do this weekend? —_______. If time permits, I may go to Shanghai with my friends.
Sam has been appointed ________ manager of the engineering department to take _______ place of George.
The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________ he reaches these limits will depend on his environment.