70. I lost a set _____ keys on my way to school.

69. Please call Ben ______ 13158903467.

68. Is that your student ID card ______ the lost and found case?

67. -Where is my backpack?　 -Oh, it's ______ your back.

66. Please take those things ______ your cousin.

A: ____(61)_____　　　　　　　 B: Hello. Steve.

A: What’s your name?　　　　　 B: ____(62)____

A: ____(63)_____　　　　　　　 B: H-A-R-O-L-D.

A: ____(64)_____　　　　　　　 B: No, it isn’t.

A: ____(65)_____　　　　　　　 B: It’s a computer.

A: Thank you.