4. Put the verbs into the Present Perfect Simple, Present Perfect Continuous.
31. She ____________ (work) at the clothes shop since May.
32. I _____________ (not/be) to the new electronics shop yet.
33. We ______________ (never / attend) a cookery course
34. You _____________ (pack) all morning.
35. ____________ (you /already / read) this book?
36. Mary ______________ (cook) dinner for 2 hours now!
37. _______________ (he / ever / travel) around London?
38. They ____________ (buy) a pet dog. It’s cute!
39. They are wet. They _______________(walk) in the rain.
40. How long ____________ (you / learn) English?