She understood what I was talking about, ________ it was the first time we had spoken together.
Right now, lots of people search for products on the Internet but still buy them at stores. Internet shopping will really ____ when people are sure that it is safe.
This book is said to be a special one, as it ____ many events not found in other history books.
The students will discuss a number of cases ____ beginners of English fail to use the language properly.
— Sorry to have interrupted you. Please go on.— Where was I?— You ____ you didn’t like your present job.
We consider ____ absolutely necessary that we should open our door to the outside world.