—Where did you ______on vacation? —I_____to Shanghai.
My family has two dogs. One is white, _______ is black.
Fred is always ____ because he often does something good for his health outdoors.
--We have red and yellow T-shirts. Which color do you like? --I’m afraid ________. I think blue will be OK.
The sign __________ you can’t park your car here.
--How does your mother like your presents for Mother’s Day? --Well, _______ this sweater _______ that one is fit for her. They are too big.