David talked with a friend of ____ on the Internet for a long time yesterday.

How long ______ you ______ the bicycle? —About two weeks.

There two boys and a girl under the tree.

Mike, how about your journey to Mount Huang? —Everything was wonderful except that our car_________ once on the way.

Excuse me，I want to buy some milk．Where can I find a supermarket?—Oh，I know ________ not far from my home．