Ann used to here. But now she is used to in Beijing.

Each year quite a lot of food ______ around the world. It’s really time for us to do something.

Mary has to study ______ a math test.[ ]

Where is Linda? Do you know?—Linda _______ South Hill with her parents , and they will be back this afternoon.

One hundred yuan for a bowl of noodles, you ________ be joking!