Lets review /t/ too to meet teacher hat right white what put /d/ do dress desk red good bird daughter old studentNumbers 20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety 51 52 53 54 55 56 57 58 59No.1 A: Whats that in the case? B: Its a small ball. A: And whats that in the box? B: A big one.No.2 A: Where is the small ball? B: Its in the case. A:Where is the big one? B: In the box.No.3 A: Which ball is in the case- the small one or the big one? B: The small one.No.4 A