Б) Выберите правильную форму причастия: 1. ... this text I found much useful information. 1. reading b) having read c) read 2... the magazine he put it aside. 1. reading b) having read c) read 3 .The impressive house ... in our street is a new trade centre. 1. building b) being built c) having built 4.... to the wrong address the letter didn't reach him. 1. having sent b) having been sent c) being sent 5.... the rule to the students, the teacher asked them to do a few exercises on it. 1. explaining b) being explained c) having explained 6. Not ... the rule he asked the teacher to explain it again. 1. having understood b) being understood c) understanding