1. В каком предложении Participle I является определением?
a) The chemist testing substance has obtained good results.
b) The chemist was very careful when testing substance.
c) The chemist was testing substance in his laboratory.
d) While testing substance the chemists cut his finger.

2. В каком предложении Participle I обстоятельством?
a) Some patients receiving this drug have suffered from several side-effects.
b) While receiving this drug many patients started to recover.
c) Patients are receiving this drug now.
d) We will be a receiving country this time.