-- Don’t forget to turn off all the lights before you leave.--- ___________________.
She has _____ this car for nearly ten years.
—Where are Maria and Kangkang?—They _____ England.
—What has happened in your hometown?— Great changes _____ in my hometown recently.
—_____ the population of the U.S.A. in 2005?—It _____ about 296 million.A.What is; is B.What was; wasC.How many is; was D.How many was; is
—They have been to Australia.—So _____ I.