If you want to buy this dress,you’d better________first to make sure it fits you.
―Which would you like, a hamburger or a sandwich? ― _____ of them is OK. I think _______ of them are delicious.
Make a list of the things you want to buy before you go to the supermarkets. ______, you will certainly forget some of them.
―Look at the lady there. ______ it be Mrs. Green? ―No, it _______ be her. She left for London this morning.
We all want to try something new, but finding the ________ to start is always the hardest part.
There are only ________ new words in the book, but I know _______ of them.