You should really smoking. It’s a terrible habit.

Do you know the big boy ________ helped to catch the thief yesterday ? — Yes, Li Ming, the chairperson of the Students’ Union .

Shall we go shopping?—Good idea! But the supermarket ________ now.

David, how old is your father this year?—______. And we just had a special party for his _____ birthday last weekend.

_______ name is Mark and ________ name is Liza.