have been so occupied ____ work that I haven’t had time for social activities.

Do you know him—I’m sure I’ve seen him _____, but I can’t remember the right place.

Did you find the missing couple in the mountain yesterday?—No, but we ______ to get in touch with them ever since

Too bad—— I missed the early train ______ only a few minutes!

Hurryup ____ finish your soup!