—Oh, Mrs. Liu, your necklace looks nice. Is it new? — No, I ____ it for two years.
-How clean and tidy your bedroom is! -Thank you. It ________ every day:
-What are you going to do this Sunday? -I ________ yet.
—When did you ____ the top of the mountain?—At 11;45 a.m.
—Have you found your watch? —No, it is ______to see anything in the hole.
—Are there any trees on _____ sides of the new street?—Yes, there are.