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—I have got a headache.

—No wonder.You ___ in front of that computer too long.

A.work                                                           B.are working

C.have been working                                        D.worked

—I have got a headache.

—No wonder. You __________ in front of that computer too long.

A. work  B. are working

C. have been working    D. worked

.―I have got a headache.

 ―No wonder. You    in front of that computer too long.

  A. work       B. are working    C. have been working   D. worked

----I have got a headache.

---- No wonder. You ________ in front of that computer too long.

– I have got a headache.

--No wonder. You ___in front of that computer too long.

--- I have got a headache.

    --- No wonder you _________ in front of that computer too long.

A. work        B．are working     C．have been working D．worked

—I have got a headache.

—No wonder.You___in front of that computer too long.

 —I have got a headache.

—No wonder.You ___ in front of that computer too long.

A.work                                  B.are working

C.have been working                     D.worked

—I have got a headache.

—No wonder. You ____ in front of that computer too long.

A. work　　 B. are working C. have been working　 D. worked

 —I have got a headache.

—No wonder. You    in front of that computer too long.

A. work       B. are working    C. have been working   D. worked