If it ________ for the heavy rain then, we would have arrived here ahead of time.
You have failed to do what you ________ to and I’m afraid the teacher will blame you.
On her birthday, she received from her parents a nice present ________ a note was attached, saying “We love you so much”.
________ excited Geoff Marcy most was whether there were planets in other solar system where life might exist.
The old man has a strange way of speaking. Here is a recording of his speech, but no clear ________ of what he has said can be made at all.
Hopefully, another ten volunteers ______ to work in the new exhibition by the end of this week.