himself to his research on the IT technology, hesoon made a breakthrough

So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.

When you are ________ in a book or simply trying to rest, the phone always seems to be ringing, ________ whatever peace you might have.

The girl ________ I met in the street yesterday is Mary

I’ll tell you ______ he told me last week.