____ up early in the morning to have a walk, I am sure, you are likely to feel active all day．

--Who would you like to see at the moment?--The man ____Mr.White .

With many major economic problems________ to be solved, there is no point predicting the growth rate of this year now.

We should think of ways to stop the waste from the factory _____ our living environment. 

 If _____ without following the doctor’s instructions, the medicine may have serious side effects.