27.If you ________ to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.
. John hadn’t been able to quit smoking at once; he had to control his smoking desire.
----I wonder how much for your services. ----The first two are freethe third one costs $30.
They love their daughter so much that they are always ready to do everything they can her happiness.
At the meeting place of the Yangtze River and the Jialing River, one of the ten largest cities in China.
It was not I but you whothe first to run to the goal in that competition.