We work together to achieve our common purpose: ________ world that is safer, cleaner and healthier than ________ one we are living in.
——This is my ruler. the blue pens? ——They are Helen’s. A. What B. How C. What about
——Your jacket is very nice. ——. A.Yes, it is. B. It’s not good. C. Thank you.
I am not tidy, my brother is. A. and B. but C. /
There is _______“L” in “ruler”. A. aB. anC. the
——Is thisnew schoolbag? ——No, it’s . A. his; his B. his; hers. C. yours; my