—Do you have my ____________ number ? You can call me this evening .—Yes , I will .

—You must drive _____next time, or there may be another accident. —Thanks. I will be much _____from now on.

Please drink more water to keep healthy, ________ in summer.

 ________ book named Harry Potter is ________ good friend of mine.

Billy: I’ve been fixing the computer for over three hours, but it still doesn’t work. Nana: Why don’t you take a rest and try 　　　?  Maybe you’ll do better then.