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( )1. ---- Where is _________ maths teacher ?

---- He’s talking with Sam’s father.

A. a B. an C. the D. /

( )2. Though the first letter is ___________ “u” in the word “useful “ ,we must say

“_________ useful book.”

A. a ;a B. / ;a C. / ; an D. an ; an

( )3. On __________ Teachers’ D...

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