— Isn’t that Ann’s husband over there? — No, it ________ be him — I’m sure he doesn’t wear glasses.
Every weekend, there is a meeting and our head teacher, with five of us, ____ it.
– Is everybody here?– Not yet… Look, there ____ the rest of our visitors!
Everyone, please remain ____ until the plane has come to a complete stop.
I still remember ____ to the Summer Palace and what I saw there.
The scientist’s many years’ careful observation ____ a surprising discovery.