The perfect tense

1You look different.What ___to you?

2.I___NEVER___CHINESE FOOD.IS IT TASTY?

3.IF I CONTINUE MY DIET I___10KILOS BY THE END OF THE YEAR.

4.BY THE END OF THE SEMESTER I ___ALL THESE BOOKS.

5.BUT I KNEW THAT HE____IT YET.

6.BY THE END OF THE MONTH1000 PEOPLE__THIS EXHIBITION.

7.THIS YEAR JOE AND MARIA HAVE SPENT THEIR VACATION IN CANADA.THEY___A GOOD TIME.THEY LOOK WONDERFUL.

8.BY TOMORROW THE POLICE___ABOUT THE MURDER.

9.WE__THE BUS.NOW WE HAVE TO WALK.

10.THIS MONTH MARIA AND JOE HAVE MET ONCE IN BOSTON AND ONCE IN CHICAGO AND WILL MEET ONCE MORE IN NEW YORK.