mputer was used in teaching. As a result, notonly _____, but students became more interested in the lessons.

There were two boys in the lab,______did the experiment successfully.

The girl ___on the ground ___to me that she had____the book on the shelf.

This river is seriously polluted now,but once inside it ______. [ ]

My mother used to the song “Where’s time going” Now she is used to to it