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(   ) 4. ―Is that your bike? ―     .

   A. Yes,thank you   B. Yes,hello

   C. No,excuse me   D. No,hi

(   ) 3. Excuse     . Is that your schoolbag?

   A. I   B. me

   C. my   D. mine

(   ) 2. —Is that his eraser? ―          .

   A. No,it is   B. No,it's

   C. Yes,it is   D. Yes,it's

(   ) 1. 一Is this your dictionary? ―          .

   A. Yes,it's   B. Yes,it isn't

   C. No,it is   D. No,it isn't

5. ―Are those your        (key) ？

―No,they are        (he) .

4. These pens are      (Bob) .

3. —Are these your pens? ―Yes,          (they) are.

2. This isn't Tom's pen. It's      (I) .

1. ―Is that       (she) schoolbag? ―Yes,it is.

A. pencil box B. book C. pencil D. school bag E. ruler F. dictionary