Ihavegotaheadache.Nowonder.You

---I have got a headache.
---No wonder. You_________in front of the computer too long.

A．work

B．are working

C．have been working

D．worked

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相关试题

She didn’t allow the accident to discourage her. On the contrary, she began to work .

A．as twice hard	B．twice as hard
C．twice as harder	D．harder twice

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Thank you for the great effort you _____ to find us the right person for the job．

A．had

B．got

C．took

D．made

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— You look tired.
— Yes. I ___ non-stop until 8 o’clock this morning.

A．had worked

B．work

C．have worked

D．was working

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People are living in ___ world where mouse clicks rule our life, so online searches have become _____ must.

A．the; /

B．/; a

C．a; a

D．a; the

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Here are some Christmas presents, ____you can choose one for yourself.

A．in which

B．from which

C．between which

D．through which

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