—Did you find the missing couple in the mountain yesterday?—No, but we __________ to get in touch with them ever since.
Their problem today is somewhat similar to _____ they faced many years ago.
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
He made another wonderful discovery, ______ of great importance to science.
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
I met the teacher in the street yesterday ________ taught me English three years ago.