Water is very important to us.We can’t live________it.
--Hi,where are you going?See what the sign______!--Sorry,I__________it.
Mary doesn’t do her homework _______,so she always makes a lot of mistakes.
— Jim, remember to return this book by Friday.— ________.
— Excuse me, can I interview Mr White?— A moment, please. Let me check ________.
If you watch carefully, you can see ________ the man does the trick with the cards.