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Present perfect simple or present perfect continuous.
1.The baby’s face is really dirty! What ___________________ (he / eat)?
2.Iona is exhausted these days. She ___________________ (work) too hard recently.
3.___________________ (they / arrive) already?
4.I ___________________ (wait) for three hours already! 5.___________________ (you / finish) your homework yet?
6.How long ___________________ (you / be) a lawyer?
7.How many times ___________________ (you / take) this exam?
8.I ___________________ (drink) more water lately, and I feel better.
9.I ___________________ (have) my dog for sixteen years.
10.How long ___________________ (you / know) Simon?