Open the brackets using present perfect. the students (improve) their english? she (become) really beautiful. this man (invent) many useful gadgets? people (cause) much destruction to the planet. i (never surf) in the pacific ocean. the class (do) 5 tests this month. allison (find) a few problems with your plan. you (consult) with doctors about his illness? i (not meet) debbie for ages. since previous year, we (not make) any profit. she (be) sick since sunday. you (be) away for 2 weeks. he (hate) cheese since childhood? mark and katie (not be) together for two years. i (like) mango since my last trip.

Have the students improved their english?
She has become really beautiful.
Has this man invented many useful gadgets?
People have caused much destruction to the planet.
I have never surfed in the Pacific Ocean.
The class have done 5 tests this months.
Alison has found a few problems with your plan.
Have you consulted with doctors about his illness?
I haven`t meant Debbie for ages.
Since previous year,we haven`t made any profit.
She has been sick since Sunday.
You have been away for 2 weeks.
Has he hated cheese since childhood?
Mark and Katie haven`t been together for two years.
I have liked mango since my last trip.