She ________ for five years and she has a son now.
— Where are Maria and Kangkang ? — They aren’t here. They ________ England. A. have been to B. have been inC. have gone to
—________ the population of the U.S.A. in 2005? —It ______ about 296 million. A. What is; isB. What was; wasC. How many was; was
________ of the teachers ______ women in our school. A. Two third; isB. Two threes; areC. Two thirds; are
—We haven’t been to Beijing. --________ A.So has heB. Neither has heC. So he has
I _____ Bai Ling. A. is B. are C. am