We ____ last night, but we went to the concert instead. A must have studied B might study C should have studied D would study
No one knows exactly ______ this important discovery was made.
The weather turned out to be very good, _______ was more than we could expect.
I don't really work here;I _______ until the new secretary arrives.
-- How about putting some pictures into the report? --________ A picture is worth more than a thousand words.
---Hello, Sally. How’s everything going? --- __________ .